3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\Database;
35 use Friendica\Database\DBA;
36 use Friendica\Database\DBStructure;
38 use Friendica\Model\Post;
39 use Friendica\Protocol\Activity;
40 use Friendica\Protocol\ActivityPub;
41 use Friendica\Protocol\Diaspora;
42 use Friendica\Util\DateTimeFormat;
43 use Friendica\Util\Map;
44 use Friendica\Util\Network;
45 use Friendica\Util\Strings;
46 use Friendica\Worker\Delivery;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
77 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
78 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
79 'wall', 'private', 'starred', 'origin', 'title', 'body', 'language',
80 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
81 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
82 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
83 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
84 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
85 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
86 'writable', 'self', 'cid', 'alias',
87 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
88 'event-summary', 'event-desc', 'event-location', 'event-type',
89 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
90 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
93 // Field list that is used to deliver items via the protocols
94 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
95 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
96 'private', 'title', 'body', 'location', 'coord', 'app',
97 'deleted', 'extid', 'post-type', 'gravity',
98 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
99 'author-id', 'author-link', 'owner-link', 'contact-uid',
100 'signed_text', 'network'];
102 // Field list for "post-content" table that is mixed with the item table
103 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
104 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
105 'object-type', 'object', 'target-type', 'target', 'plink'];
107 // Field list for "post-content" table that is not present in the "item" table
108 const CONTENT_FIELDLIST = ['language', 'raw-body'];
110 // All fields in the item table
111 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
112 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
113 'contact-id', 'type', 'wall', 'gravity', 'extid', 'psid',
114 'created', 'edited', 'commented', 'received', 'changed', 'verb',
115 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
116 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
117 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
118 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
119 'title', 'content-warning', 'body', 'location', 'coord', 'app',
120 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
121 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
122 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
124 // List of all verbs that don't need additional content data.
125 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
127 Activity::LIKE, Activity::DISLIKE,
128 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
136 const TABLES = ['item', 'user-item', 'post-content', 'post-delivery-data', 'diaspora-interaction'];
138 private static function getItemFields()
140 $definition = DBStructure::definition('', false);
143 foreach (self::TABLES as $table) {
144 $postfields[$table] = array_keys($definition[$table]['fields']);
151 * Set the pinned state of an item
153 * @param integer $iid Item ID
154 * @param integer $uid User ID
155 * @param boolean $pinned Pinned state
157 public static function setPinned(int $iid, int $uid, bool $pinned)
159 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
163 * Get the pinned state
165 * @param integer $iid Item ID
166 * @param integer $uid User ID
168 * @return boolean pinned state
170 public static function getPinned(int $iid, int $uid)
172 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
173 if (!DBA::isResult($useritem)) {
176 return (bool)$useritem['pinned'];
180 * Update existing item entries
182 * @param array $fields The fields that are to be changed
183 * @param array $condition The condition for finding the item entries
185 * In the future we may have to change permissions as well.
186 * Then we had to add the user id as third parameter.
188 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
190 * @return integer|boolean number of affected rows - or "false" if there was an error
191 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
193 public static function update(array $fields, array $condition)
195 if (empty($condition) || empty($fields)) {
199 if (!empty($fields['verb'])) {
200 $fields['vid'] = Verb::getID($fields['verb']);
203 $rows = Post::update($fields, $condition);
204 if (is_bool($rows)) {
208 // We only need to call the line by line update for specific fields
209 if (empty($fields['body']) && empty($fields['file']) &&
210 empty($fields['attach']) && empty($fields['edited'])) {
214 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
216 $items = Post::select(['id', 'origin', 'uri-id', 'uid'], $condition);
220 while ($item = DBA::fetch($items)) {
221 if (!empty($fields['body'])) {
222 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
224 // Remove all media attachments from the body and store them in the post-media table
225 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
226 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
229 if (!empty($fields['file'])) {
230 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
233 if (!empty($fields['attach'])) {
234 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
237 // We only need to notfiy others when it is an original entry from us.
238 // Only call the notifier when the item has some content relevant change.
239 if ($item['origin'] && in_array('edited', array_keys($fields))) {
240 $notify_items[] = $item['id'];
246 foreach ($notify_items as $notify_item) {
247 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
254 * Delete an item and notify others about it - if it was ours
256 * @param array $condition The condition for finding the item entries
257 * @param integer $priority Priority for the notification
258 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
260 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
262 $items = Post::select(['id'], $condition);
263 while ($item = Post::fetch($items)) {
264 self::markForDeletionById($item['id'], $priority);
270 * Delete an item for an user and notify others about it - if it was ours
272 * @param array $condition The condition for finding the item entries
273 * @param integer $uid User who wants to delete this item
274 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
276 public static function deleteForUser($condition, $uid)
282 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
283 while ($item = Post::fetch($items)) {
284 if (in_array($item['uid'], [$uid, 0])) {
285 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
288 // "Deleting" global items just means hiding them
289 if ($item['uid'] == 0) {
290 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
291 } elseif ($item['uid'] == $uid) {
292 self::markForDeletionById($item['id'], PRIORITY_HIGH);
294 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
301 * Mark an item for deletion, delete related data and notify others about it - if it was ours
303 * @param integer $item_id
304 * @param integer $priority Priority for the notification
306 * @return boolean success
307 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
309 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
311 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
312 // locate item to be deleted
313 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
314 'deleted', 'resource-id', 'event-id',
315 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
316 $item = Post::selectFirst($fields, ['id' => $item_id]);
317 if (!DBA::isResult($item)) {
318 Logger::info('Item not found.', ['id' => $item_id]);
322 if ($item['deleted']) {
323 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
327 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
328 if (!DBA::isResult($parent)) {
329 $parent = ['origin' => false];
332 // clean up categories and tags so they don't end up as orphans
333 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
336 * If item is a link to a photo resource, nuke all the associated photos
337 * (visitors will not have photo resources)
338 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
339 * generate a resource-id and therefore aren't intimately linked to the item.
341 /// @TODO: this should first check if photo is used elsewhere
342 if (strlen($item['resource-id'])) {
343 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
346 // If item is a link to an event, delete the event.
347 if (intval($item['event-id'])) {
348 Event::delete($item['event-id']);
351 // If item has attachments, drop them
352 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
353 foreach($attachments as $attachment) {
354 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
355 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
359 // Set the item to "deleted"
360 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
361 DBA::update('item', $item_fields, ['id' => $item['id']]);
363 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
364 self::deleteThread($item['id'], $item['parent-uri-id']);
366 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
367 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
370 Post\DeliveryData::delete($item['uri-id']);
372 // When the permission set will be used in photo and events as well,
373 // this query here needs to be extended.
374 // @todo Currently deactivated. We need the permission set in the deletion process.
375 // This is a reminder to add the removal somewhere else.
376 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
377 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
380 // If it's the parent of a comment thread, kill all the kids
381 if ($item['gravity'] == GRAVITY_PARENT) {
382 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
385 // Is it our comment and/or our thread?
386 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
387 // When we delete the original post we will delete all existing copies on the server as well
388 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
390 // send the notification upstream/downstream
392 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
394 } elseif ($item['uid'] != 0) {
395 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
397 // When we delete just our local user copy of an item, we have to set a marker to hide it
398 $global_item = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false]);
399 if (DBA::isResult($global_item)) {
400 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
404 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
409 private static function guid($item, $notify)
411 if (!empty($item['guid'])) {
412 return Strings::escapeTags(trim($item['guid']));
416 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
417 // We add the hash of our own host because our host is the original creator of the post.
418 $prefix_host = DI::baseUrl()->getHostname();
422 // We are only storing the post so we create a GUID from the original hostname.
423 if (!empty($item['author-link'])) {
424 $parsed = parse_url($item['author-link']);
425 if (!empty($parsed['host'])) {
426 $prefix_host = $parsed['host'];
430 if (empty($prefix_host) && !empty($item['plink'])) {
431 $parsed = parse_url($item['plink']);
432 if (!empty($parsed['host'])) {
433 $prefix_host = $parsed['host'];
437 if (empty($prefix_host) && !empty($item['uri'])) {
438 $parsed = parse_url($item['uri']);
439 if (!empty($parsed['host'])) {
440 $prefix_host = $parsed['host'];
444 // Is it in the format data@host.tld? - Used for mail contacts
445 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
446 $mailparts = explode('@', $item['author-link']);
447 $prefix_host = array_pop($mailparts);
451 if (!empty($item['plink'])) {
452 $guid = self::guidFromUri($item['plink'], $prefix_host);
453 } elseif (!empty($item['uri'])) {
454 $guid = self::guidFromUri($item['uri'], $prefix_host);
456 $guid = System::createUUID(hash('crc32', $prefix_host));
462 private static function contactId($item)
464 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
465 return $item['contact-id'];
466 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
467 return $item['contact-id'];
468 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
469 return $item['author-id'];
470 } elseif (!empty($item['contact-id'])) {
471 return $item['contact-id'];
473 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
474 if (!empty($contact_id)) {
478 return $item['author-id'];
482 * Write an item array into a spool file to be inserted later.
483 * This command is called whenever there are issues storing an item.
485 * @param array $item The item fields that are to be inserted
488 private static function spool($orig_item)
490 // Now we store the data in the spool directory
491 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
492 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
494 $spoolpath = get_spoolpath();
495 if ($spoolpath != "") {
496 $spool = $spoolpath . '/' . $file;
498 file_put_contents($spool, json_encode($orig_item));
499 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
504 * Check if the item array is a duplicate
507 * @return boolean is it a duplicate?
509 private static function isDuplicate(array $item)
511 // Checking if there is already an item with the same guid
512 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
513 if (Post::exists($condition)) {
514 Logger::notice('Found already existing item', [
515 'guid' => $item['guid'],
516 'uid' => $item['uid'],
517 'network' => $item['network']
522 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
523 'network' => [$item['network'], Protocol::DFRN]];
524 if (Post::exists($condition)) {
525 Logger::notice('duplicated item with the same uri found.', $item);
529 // On Friendica and Diaspora the GUID is unique
530 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
531 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
532 if (Post::exists($condition)) {
533 Logger::notice('duplicated item with the same guid found.', $item);
536 } elseif ($item['network'] == Protocol::OSTATUS) {
537 // Check for an existing post with the same content. There seems to be a problem with OStatus.
538 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
539 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
540 if (Post::exists($condition)) {
541 Logger::notice('duplicated item with the same body found.', $item);
547 * Check for already added items.
548 * There is a timing issue here that sometimes creates double postings.
549 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
551 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
552 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
560 * Check if the item array is valid
563 * @return boolean item is valid
565 public static function isValid(array $item)
567 // When there is no content then we don't post it
568 if ($item['body'] . $item['title'] == '') {
569 Logger::notice('No body, no title.');
573 if (!empty($item['uid'])) {
574 $owner = User::getOwnerDataById($item['uid'], false);
576 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
580 if ($owner['account_expired'] || $owner['account_removed']) {
581 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
586 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
587 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
591 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
592 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
596 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
597 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
601 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
602 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
606 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
610 if ($item['verb'] == Activity::FOLLOW) {
611 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
612 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
613 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
617 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
618 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
619 if (Post::exists($condition)) {
620 // It happens that we receive multiple follow requests by the same author - we only store one.
621 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
630 * Check if the item array is too old
633 * @return boolean item is too old
635 public static function isTooOld(array $item)
637 // check for create date and expire time
638 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
640 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
641 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
642 $expire_interval = $user['expire'];
645 if (($expire_interval > 0) && !empty($item['created'])) {
646 $expire_date = time() - ($expire_interval * 86400);
647 $created_date = strtotime($item['created']);
648 if ($created_date < $expire_date) {
649 Logger::notice('Item created before expiration interval.', [
650 'created' => date('c', $created_date),
651 'expired' => date('c', $expire_date),
662 * Return the id of the given item array if it has been stored before
665 * @return integer item id
667 private static function getDuplicateID(array $item)
669 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
670 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
671 $item['uri-id'], $item['uid'],
672 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
673 $existing = Post::selectFirst(['id', 'network'], $condition);
674 if (DBA::isResult($existing)) {
675 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
676 if ($item['uid'] != 0) {
677 Logger::notice('Item already existed for user', [
678 'uri-id' => $item['uri-id'],
679 'uid' => $item['uid'],
680 'network' => $item['network'],
681 'existing_id' => $existing["id"],
682 'existing_network' => $existing["network"]
686 return $existing["id"];
693 * Fetch top-level parent data for the given item array
696 * @return array item array with parent data
699 private static function getTopLevelParent(array $item)
701 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
702 'uri-id', 'parent-uri-id',
703 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
704 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
705 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
706 $params = ['order' => ['id' => false]];
707 $parent = Post::selectFirst($fields, $condition, $params);
709 if (!DBA::isResult($parent)) {
710 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
714 if ($parent['uri-id'] == $parent['parent-uri-id']) {
718 $condition = ['uri-id' => $parent['parent-uri-id'],
719 'parent-uri-id' => $parent['parent-uri-id'],
720 'uid' => $parent['uid']];
721 $params = ['order' => ['id' => false]];
722 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
723 if (!DBA::isResult($toplevel_parent)) {
724 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
728 return $toplevel_parent;
732 * Get the gravity for the given item array
735 * @return integer gravity
737 private static function getGravity(array $item)
739 $activity = DI::activity();
741 if (isset($item['gravity'])) {
742 return intval($item['gravity']);
743 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
744 return GRAVITY_PARENT;
745 } elseif ($activity->match($item['verb'], Activity::POST)) {
746 return GRAVITY_COMMENT;
747 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
748 return GRAVITY_ACTIVITY;
749 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
750 return GRAVITY_ACTIVITY;
752 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
753 return GRAVITY_UNKNOWN; // Should not happen
756 public static function insert($item, $notify = false, $dontcache = false)
758 $structure = self::getItemFields();
762 $priority = PRIORITY_HIGH;
764 // If it is a posting where users should get notifications, then define it as wall posting
768 $item['network'] = Protocol::DFRN;
769 $item['protocol'] = Conversation::PARCEL_DIRECT;
770 $item['direction'] = Conversation::PUSH;
772 if (in_array($notify, PRIORITIES)) {
776 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
779 $uid = intval($item['uid']);
781 $item['guid'] = self::guid($item, $notify);
782 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
785 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
787 // Backward compatibility: parent-uri used to be the direct parent uri.
788 // If it is provided without a thr-parent, it probably is the old behavior.
789 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
790 $item['parent-uri'] = $item['thr-parent'];
792 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
794 // Store conversation data
795 $item = Conversation::insert($item);
798 * Do we already have this item?
799 * We have to check several networks since Friendica posts could be repeated
800 * via OStatus (maybe Diasporsa as well)
802 $duplicate = self::getDuplicateID($item);
807 // Additional duplicate checks
808 /// @todo Check why the first duplication check returns the item number and the second a 0
809 if (self::isDuplicate($item)) {
813 $item['wall'] = intval($item['wall'] ?? 0);
814 $item['extid'] = trim($item['extid'] ?? '');
815 $item['author-name'] = trim($item['author-name'] ?? '');
816 $item['author-link'] = trim($item['author-link'] ?? '');
817 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
818 $item['owner-name'] = trim($item['owner-name'] ?? '');
819 $item['owner-link'] = trim($item['owner-link'] ?? '');
820 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
821 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
822 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
823 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
824 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
825 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
826 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
827 $item['location'] = trim($item['location'] ?? '');
828 $item['coord'] = trim($item['coord'] ?? '');
829 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
830 $item['deleted'] = 0;
831 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
832 $item['verb'] = trim($item['verb'] ?? '');
833 $item['object-type'] = trim($item['object-type'] ?? '');
834 $item['object'] = trim($item['object'] ?? '');
835 $item['target-type'] = trim($item['target-type'] ?? '');
836 $item['target'] = trim($item['target'] ?? '');
837 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
838 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
839 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
840 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
841 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
842 $item['private'] = intval($item['private'] ?? self::PUBLIC);
843 $item['body'] = trim($item['body'] ?? '');
844 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
845 $item['app'] = trim($item['app'] ?? '');
846 $item['origin'] = intval($item['origin'] ?? 0);
847 $item['postopts'] = trim($item['postopts'] ?? '');
848 $item['resource-id'] = trim($item['resource-id'] ?? '');
849 $item['event-id'] = intval($item['event-id'] ?? 0);
850 $item['inform'] = trim($item['inform'] ?? '');
851 $item['file'] = trim($item['file'] ?? '');
853 // Items cannot be stored before they happen ...
854 if ($item['created'] > DateTimeFormat::utcNow()) {
855 $item['created'] = DateTimeFormat::utcNow();
858 // We haven't invented time travel by now.
859 if ($item['edited'] > DateTimeFormat::utcNow()) {
860 $item['edited'] = DateTimeFormat::utcNow();
863 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
865 $item['gravity'] = self::getGravity($item);
867 $item['language'] = self::getLanguage($item);
869 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
870 'photo' => $item['author-avatar'], 'network' => $item['network']];
871 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
873 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
874 'photo' => $item['owner-avatar'], 'network' => $item['network']];
875 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
877 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
878 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
879 $item['post-type'] = self::PT_FOLLOWER;
882 // Ensure that there is an avatar cache
883 Contact::checkAvatarCache($item['author-id']);
884 Contact::checkAvatarCache($item['owner-id']);
886 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
887 $item["contact-id"] = self::contactId($item);
889 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
890 self::isTooOld($item)) {
891 Logger::info('Item is too old', ['item' => $item]);
895 if (!self::isValid($item)) {
899 if ($item['gravity'] !== GRAVITY_PARENT) {
900 $toplevel_parent = self::getTopLevelParent($item);
901 if (empty($toplevel_parent)) {
905 // If the thread originated from this node, we check the permission against the thread starter
906 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
907 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
908 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
912 $parent_id = $toplevel_parent['id'];
913 $item['parent-uri'] = $toplevel_parent['uri'];
914 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
915 $item['deleted'] = $toplevel_parent['deleted'];
916 $item['allow_cid'] = $toplevel_parent['allow_cid'];
917 $item['allow_gid'] = $toplevel_parent['allow_gid'];
918 $item['deny_cid'] = $toplevel_parent['deny_cid'];
919 $item['deny_gid'] = $toplevel_parent['deny_gid'];
920 $parent_origin = $toplevel_parent['origin'];
922 // Don't federate received participation messages
923 if ($item['verb'] != Activity::FOLLOW) {
924 $item['wall'] = $toplevel_parent['wall'];
926 $item['wall'] = false;
930 * If the parent is private, force privacy for the entire conversation
931 * This differs from the above settings as it subtly allows comments from
932 * email correspondents to be private even if the overall thread is not.
934 if ($toplevel_parent['private']) {
935 $item['private'] = $toplevel_parent['private'];
939 * Edge case. We host a public forum that was originally posted to privately.
940 * The original author commented, but as this is a comment, the permissions
941 * weren't fixed up so it will still show the comment as private unless we fix it here.
943 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
944 $item['private'] = self::PUBLIC;
947 // If its a post that originated here then tag the thread as "mention"
948 if ($item['origin'] && $item['uid']) {
949 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
950 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
953 // Update the contact relations
954 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
956 unset($item['parent_origin']);
959 $parent_origin = $item['origin'];
962 // We don't store the causer link, only the id
963 unset($item['causer-link']);
965 // We don't store these fields anymore in the item table
966 unset($item['author-link']);
967 unset($item['author-name']);
968 unset($item['author-avatar']);
969 unset($item['author-network']);
971 unset($item['owner-link']);
972 unset($item['owner-name']);
973 unset($item['owner-avatar']);
975 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
976 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
978 // Is this item available in the global items (with uid=0)?
979 if ($item["uid"] == 0) {
980 $item["global"] = true;
982 // Set the global flag on all items if this was a global item entry
983 DBA::update('item', ['global' => true], ['uri-id' => $item['uri-id']]);
985 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
989 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
990 $item["private"] = self::PRIVATE;
994 $item['edit'] = false;
995 $item['parent'] = $parent_id;
996 Hook::callAll('post_local', $item);
997 unset($item['edit']);
999 Hook::callAll('post_remote', $item);
1002 // Set after the insert because top-level posts are self-referencing
1003 unset($item['parent']);
1005 if (!empty($item['cancel'])) {
1006 Logger::log('post cancelled by addon.');
1010 if (empty($item['vid']) && !empty($item['verb'])) {
1011 $item['vid'] = Verb::getID($item['verb']);
1014 // Creates or assigns the permission set
1015 $item['psid'] = PermissionSet::getIdFromACL(
1023 unset($item['allow_cid']);
1024 unset($item['allow_gid']);
1025 unset($item['deny_cid']);
1026 unset($item['deny_gid']);
1028 // This array field is used to trigger some automatic reactions
1029 // It is mainly used in the "post_local" hook.
1030 unset($item['api_source']);
1032 if ($item['verb'] == Activity::ANNOUNCE) {
1033 self::setOwnerforResharedItem($item);
1036 // Remove all media attachments from the body and store them in the post-media table
1037 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1038 $item['raw-body'] = self::setHashtags($item['raw-body']);
1040 // Check for hashtags in the body and repair or add hashtag links
1041 $item['body'] = self::setHashtags($item['body']);
1043 if (!empty($item['attach'])) {
1044 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1047 // Fill the cache field
1048 self::putInCache($item);
1050 if (stristr($item['verb'], Activity::POKE)) {
1051 $notify_type = Delivery::POKE;
1053 $notify_type = Delivery::POST;
1056 if (!in_array($item['verb'], self::ACTIVITIES)) {
1057 Post\Content::insert($item['uri-id'], $item);
1060 $body = $item['body'];
1061 $verb = $item['verb'];
1063 // We just remove everything that is content
1064 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1065 unset($item[$field]);
1068 unset($item['activity']);
1070 // Filling item related side tables
1072 // Diaspora signature
1073 if (!empty($item['diaspora_signed_text'])) {
1074 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1077 unset($item['diaspora_signed_text']);
1079 // Attached file links
1080 if (!empty($item['file'])) {
1081 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1084 unset($item['file']);
1086 // Delivery relevant data
1087 $delivery_data = Post\DeliveryData::extractFields($item);
1088 unset($item['postopts']);
1089 unset($item['inform']);
1091 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1092 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1095 // Store tags from the body if this hadn't been handled previously in the protocol classes
1096 if (!Tag::existsForPost($item['uri-id'])) {
1097 Tag::storeFromBody($item['uri-id'], $body);
1100 $id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1102 if ($item['gravity'] == GRAVITY_PARENT) {
1103 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1106 // Remove all fields that aren't part of the item table
1107 foreach ($item as $field => $value) {
1108 if (!in_array($field, $structure['item'])) {
1109 unset($item[$field]);
1113 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1114 if (Post::exists($condition)) {
1115 Logger::notice('Item is already inserted - aborting', $condition);
1119 $result = DBA::insert('item', $item);
1121 // When the item was successfully stored we fetch the ID of the item.
1122 $current_post = DBA::lastInsertId();
1124 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1128 if (empty($current_post) || !DBA::isResult($result)) {
1129 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1130 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1131 self::spool($orig_item);
1135 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1137 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1138 $parent_id = $current_post;
1142 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1144 $item['id'] = $current_post;
1145 $item['parent'] = $parent_id;
1147 // update the commented timestamp on the parent
1148 if (DI::config()->get('system', 'like_no_comment')) {
1149 // Update when it is a comment
1150 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1152 // Update when it isn't a follow or tag verb
1153 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1156 if ($update_commented) {
1157 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1159 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1162 if ($item['gravity'] === GRAVITY_PARENT) {
1163 self::addThread($current_post);
1165 self::updateThread($parent_id);
1168 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1169 if (self::tagDeliver($item['uid'], $current_post)) {
1170 // Get the user information for the logging
1171 $user = User::getById($uid);
1173 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1178 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1179 if (DBA::isResult($posted_item)) {
1181 Hook::callAll('post_local_end', $posted_item);
1183 Hook::callAll('post_remote_end', $posted_item);
1186 Logger::log('new item not found in DB, id ' . $current_post);
1190 if ($item['gravity'] === GRAVITY_PARENT) {
1191 self::addShadow($current_post);
1193 self::addShadowPost($current_post);
1196 self::updateContact($item);
1198 UserItem::setNotification($current_post);
1200 check_user_notification($current_post);
1202 // Distribute items to users who subscribed to their tags
1203 self::distributeByTags($item);
1205 // Automatically reshare the item if the "remote_self" option is selected
1206 self::autoReshare($item);
1208 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1211 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1212 // Don't relay participation messages
1213 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1214 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1215 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1221 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1224 return $current_post;
1228 * Change the owner of a parent item if it had been shared by a forum
1230 * (public) forum posts in the new format consist of the regular post by the author
1231 * followed by an announce message sent from the forum account.
1232 * Changing the owner helps in grouping forum posts.
1234 * @param array $item
1237 private static function setOwnerforResharedItem(array $item)
1239 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1240 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1241 if (!DBA::isResult($parent)) {
1242 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1246 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1247 if (!DBA::isResult($author)) {
1248 Logger::error('Author not found', ['id' => $item['author-id']]);
1252 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1253 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1254 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1258 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1259 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1260 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1264 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1265 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1268 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1269 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1273 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1274 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]);
1278 * Distribute the given item to users who subscribed to their tags
1280 * @param array $item Processed item
1282 private static function distributeByTags(array $item)
1284 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1288 $uids = Tag::getUIDListByURIId($item['uri-id']);
1289 foreach ($uids as $uid) {
1290 if (Contact::isSharing($item['author-id'], $uid)) {
1293 $fields = ['post-type' => self::PT_TAG];
1296 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1297 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1302 * Distributes public items to the receivers
1304 * @param integer $itemid Item ID that should be added
1305 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1306 * @throws \Exception
1308 public static function distribute($itemid, $signed_text = '')
1310 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1311 $parent = Post::selectFirst(['owner-id'], $condition);
1312 if (!DBA::isResult($parent)) {
1316 // Only distribute public items from native networks
1317 $condition = ['id' => $itemid, 'uid' => 0,
1318 'network' => array_merge(Protocol::FEDERATED ,['']),
1319 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1320 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1321 if (!DBA::isResult($item)) {
1325 $origin = $item['origin'];
1329 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1330 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1331 if (!DBA::isResult($owner)) {
1335 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1336 $contacts = DBA::select('contact', ['uid'], $condition);
1337 while ($contact = DBA::fetch($contacts)) {
1338 if ($contact['uid'] == 0) {
1342 $users[$contact['uid']] = $contact['uid'];
1344 DBA::close($contacts);
1346 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1347 $contacts = DBA::select('contact', ['uid'], $condition);
1348 while ($contact = DBA::fetch($contacts)) {
1349 if ($contact['uid'] == 0) {
1353 $users[$contact['uid']] = $contact['uid'];
1355 DBA::close($contacts);
1357 if (!empty($owner['alias'])) {
1358 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1359 $contacts = DBA::select('contact', ['uid'], $condition);
1360 while ($contact = DBA::fetch($contacts)) {
1361 if ($contact['uid'] == 0) {
1365 $users[$contact['uid']] = $contact['uid'];
1367 DBA::close($contacts);
1372 if ($item['uri-id'] != $item['parent-uri-id']) {
1373 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1374 while ($parent = Post::fetch($parents)) {
1375 $users[$parent['uid']] = $parent['uid'];
1376 if ($parent['origin'] && !$origin) {
1377 $origin_uid = $parent['uid'];
1380 DBA::close($parents);
1383 foreach ($users as $uid) {
1384 if ($origin_uid == $uid) {
1385 $item['diaspora_signed_text'] = $signed_text;
1387 self::storeForUser($item, $uid);
1392 * Store a public item defined by their URI-ID for the given users
1394 * @param integer $uri_id URI-ID of the given item
1395 * @param integer $uid The user that will receive the item entry
1396 * @param array $fields Additional fields to be stored
1397 * @return integer stored item id
1399 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1401 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1402 if (!DBA::isResult($item)) {
1406 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1407 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']]);
1411 $item['post-type'] = self::PT_STORED;
1413 $item = array_merge($item, $fields);
1415 $stored = self::storeForUser($item, $uid);
1416 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1421 * Store a public item array for the given users
1423 * @param array $item The item entry that will be stored
1424 * @param integer $uid The user that will receive the item entry
1425 * @return integer stored item id
1426 * @throws \Exception
1428 private static function storeForUser(array $item, int $uid)
1430 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1431 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1436 unset($item['parent']);
1437 unset($item['mention']);
1438 unset($item['starred']);
1439 unset($item['unseen']);
1440 unset($item['psid']);
1442 $item['uid'] = $uid;
1443 $item['origin'] = 0;
1446 if ($item['gravity'] == GRAVITY_PARENT) {
1447 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1449 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1452 if (!empty($contact['id'])) {
1453 $item['contact-id'] = $contact['id'];
1455 // Shouldn't happen at all
1456 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1457 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1458 if (!DBA::isResult($self)) {
1459 // Shouldn't happen even less
1460 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1463 $item['contact-id'] = $self['id'];
1466 /// @todo Handling of "event-id"
1469 if ($item['gravity'] == GRAVITY_PARENT) {
1470 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1471 if (DBA::isResult($contact)) {
1472 $notify = self::isRemoteSelf($contact, $item);
1476 $distributed = self::insert($item, $notify, true);
1478 if (!$distributed) {
1479 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1481 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1483 return $distributed;
1487 * Add a shadow entry for a given item id that is a thread starter
1489 * We store every public item entry additionally with the user id "0".
1490 * This is used for the community page and for the search.
1491 * It is planned that in the future we will store public item entries only once.
1493 * @param integer $itemid Item ID that should be added
1494 * @throws \Exception
1496 private static function addShadow($itemid)
1498 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri-id'];
1499 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1500 $item = Post::selectFirst($fields, $condition);
1502 if (!DBA::isResult($item)) {
1506 // is it already a copy?
1507 if (($itemid == 0) || ($item['uid'] == 0)) {
1511 // Is it a visible public post?
1512 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1516 // is it an entry from a connector? Only add an entry for natively connected networks
1517 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1521 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1525 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1527 if (DBA::isResult($item)) {
1528 // Preparing public shadow (removing user specific data)
1531 unset($item['parent']);
1532 unset($item['wall']);
1533 unset($item['mention']);
1534 unset($item['origin']);
1535 unset($item['starred']);
1536 unset($item['postopts']);
1537 unset($item['inform']);
1538 unset($item['post-type']);
1539 if ($item['uri-id'] == $item['parent-uri-id']) {
1540 $item['contact-id'] = $item['owner-id'];
1542 $item['contact-id'] = $item['author-id'];
1545 $public_shadow = self::insert($item, false, true);
1547 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1552 * Add a shadow entry for a given item id that is a comment
1554 * This function does the same like the function above - but for comments
1556 * @param integer $itemid Item ID that should be added
1557 * @throws \Exception
1559 private static function addShadowPost($itemid)
1561 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1562 if (!DBA::isResult($item)) {
1566 // Is it a toplevel post?
1567 if ($item['gravity'] == GRAVITY_PARENT) {
1568 self::addShadow($itemid);
1572 // Is this a shadow entry?
1573 if ($item['uid'] == 0) {
1577 // Is there a shadow parent?
1578 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1582 // Is there already a shadow entry?
1583 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1587 // Save "origin" and "parent" state
1588 $origin = $item['origin'];
1589 $parent = $item['parent'];
1591 // Preparing public shadow (removing user specific data)
1594 unset($item['parent']);
1595 unset($item['wall']);
1596 unset($item['mention']);
1597 unset($item['origin']);
1598 unset($item['starred']);
1599 unset($item['postopts']);
1600 unset($item['inform']);
1601 unset($item['post-type']);
1602 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1604 $public_shadow = self::insert($item, false, true);
1606 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1608 // If this was a comment to a Diaspora post we don't get our comment back.
1609 // This means that we have to distribute the comment by ourselves.
1610 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1611 self::distribute($public_shadow);
1616 * Adds a language specification in a "language" element of given $arr.
1617 * Expects "body" element to exist in $arr.
1619 * @param array $item
1620 * @return string detected language
1621 * @throws \Text_LanguageDetect_Exception
1623 private static function getLanguage(array $item)
1625 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1629 // Convert attachments to links
1630 $naked_body = BBCode::removeAttachment($item['body']);
1631 if (empty($naked_body)) {
1635 // Remove links and pictures
1636 $naked_body = BBCode::removeLinks($naked_body);
1638 // Convert the title and the body to plain text
1639 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1641 // Remove possibly remaining links
1642 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1644 if (empty($naked_body)) {
1648 $ld = new Language(DI::l10n()->getAvailableLanguages());
1649 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1650 if (is_array($languages)) {
1651 return json_encode($languages);
1657 public static function getLanguageMessage(array $item)
1659 $iso639 = new \Matriphe\ISO639\ISO639;
1661 $used_languages = '';
1662 foreach (json_decode($item['language'], true) as $language => $reliability) {
1663 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1665 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1666 return $used_languages;
1670 * Creates an unique guid out of a given uri
1672 * @param string $uri uri of an item entry
1673 * @param string $host hostname for the GUID prefix
1674 * @return string unique guid
1676 public static function guidFromUri($uri, $host)
1678 // Our regular guid routine is using this kind of prefix as well
1679 // We have to avoid that different routines could accidentally create the same value
1680 $parsed = parse_url($uri);
1682 // We use a hash of the hostname as prefix for the guid
1683 $guid_prefix = hash("crc32", $host);
1685 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1686 unset($parsed["scheme"]);
1688 // Glue it together to be able to make a hash from it
1689 $host_id = implode("/", $parsed);
1691 // We could use any hash algorithm since it isn't a security issue
1692 $host_hash = hash("ripemd128", $host_id);
1694 return $guid_prefix.$host_hash;
1698 * generate an unique URI
1700 * @param integer $uid User id
1701 * @param string $guid An existing GUID (Otherwise it will be generated)
1704 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1706 public static function newURI($uid, $guid = "")
1709 $guid = System::createUUID();
1712 return DI::baseUrl()->get() . '/objects/' . $guid;
1716 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1718 * This can be used to filter for inactive contacts.
1719 * Only do this for public postings to avoid privacy problems, since poco data is public.
1720 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1722 * @param array $arr Contains the just posted item record
1723 * @throws \Exception
1725 private static function updateContact($arr)
1727 // Unarchive the author
1728 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1729 if (DBA::isResult($contact)) {
1730 Contact::unmarkForArchival($contact);
1733 // Unarchive the contact if it's not our own contact
1734 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1735 if (DBA::isResult($contact)) {
1736 Contact::unmarkForArchival($contact);
1739 /// @todo On private posts we could obfuscate the date
1740 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1742 // Is it a forum? Then we don't care about the rules from above
1743 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1744 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1750 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1751 // So we have to ensure to only update the last item when it had been our own post,
1752 // or it had been done by a "regular" contact.
1753 if (!empty($arr['wall'])) {
1754 $condition = ['id' => $arr['contact-id']];
1756 $condition = ['id' => $arr['contact-id'], 'self' => false];
1758 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1760 // Now do the same for the system wide contacts with uid=0
1761 if ($arr['private'] != self::PRIVATE) {
1762 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1763 ['id' => $arr['owner-id']]);
1765 if ($arr['owner-id'] != $arr['author-id']) {
1766 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1767 ['id' => $arr['author-id']]);
1772 public static function setHashtags($body)
1774 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1775 $tags = BBCode::getTags($body);
1778 if (!count($tags)) {
1782 // This sorting is important when there are hashtags that are part of other hashtags
1783 // Otherwise there could be problems with hashtags like #test and #test2
1784 // Because of this we are sorting from the longest to the shortest tag.
1785 usort($tags, function ($a, $b) {
1786 return strlen($b) <=> strlen($a);
1789 $URLSearchString = "^\[\]";
1791 // All hashtags should point to the home server if "local_tags" is activated
1792 if (DI::config()->get('system', 'local_tags')) {
1793 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1794 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1797 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1798 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1800 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1803 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1805 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1808 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1810 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1813 // Repair recursive urls
1814 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1817 foreach ($tags as $tag) {
1818 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1822 $basetag = str_replace('_', ' ', substr($tag, 1));
1823 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1825 $body = str_replace($tag, $newtag, $body);
1828 // Convert back the masked hashtags
1829 $body = str_replace("#", "#", $body);
1838 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1841 * @param int $item_id
1842 * @return boolean true if item was deleted, else false
1843 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1844 * @throws \ImagickException
1846 private static function tagDeliver($uid, $item_id)
1850 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1851 if (!DBA::isResult($user)) {
1855 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1856 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1858 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1859 if (!DBA::isResult($item)) {
1863 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1866 * Diaspora uses their own hardwired link URL in @-tags
1867 * instead of the one we supply with webfinger
1869 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1871 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1873 foreach ($matches as $mtch) {
1874 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1876 Logger::log('mention found: ' . $mtch[2]);
1882 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1883 foreach ($tags as $tag) {
1884 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1886 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1892 if (($community_page || $prvgroup) &&
1893 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1894 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
1895 DBA::delete('item', ['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1896 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1902 $arr = ['item' => $item, 'user' => $user];
1904 Hook::callAll('tagged', $arr);
1906 if (!$community_page && !$prvgroup) {
1911 * tgroup delivery - setup a second delivery chain
1912 * prevent delivery looping - only proceed
1913 * if the message originated elsewhere and is a top-level post
1915 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1919 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1920 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1921 if (!DBA::isResult($self)) {
1925 $owner_id = Contact::getIdForURL($self['url']);
1927 // also reset all the privacy bits to the forum default permissions
1929 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1931 $psid = PermissionSet::getIdFromACL(
1939 $forum_mode = ($prvgroup ? 2 : 1);
1941 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1942 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
1943 self::update($fields, ['id' => $item_id]);
1945 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
1947 self::performActivity($item_id, 'announce', $uid);
1953 * Automatically reshare the item if the "remote_self" option is selected
1955 * @param array $item
1958 private static function autoReshare(array $item)
1960 if ($item['gravity'] != GRAVITY_PARENT) {
1964 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1968 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1972 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1974 self::performActivity($item['id'], 'announce', $item['uid']);
1977 public static function isRemoteSelf($contact, &$datarray)
1979 if (!$contact['remote_self']) {
1983 // Prevent the forwarding of posts that are forwarded
1984 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1985 Logger::info('Already forwarded');
1989 // Prevent to forward already forwarded posts
1990 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1991 Logger::info('Already forwarded (second test)');
1995 // Only forward posts
1996 if ($datarray["verb"] != Activity::POST) {
1997 Logger::info('No post');
2001 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2002 Logger::info('Not public');
2006 $datarray2 = $datarray;
2007 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2008 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2009 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2010 ['uid' => $contact['uid'], 'self' => true]);
2011 if (DBA::isResult($self)) {
2012 $datarray['contact-id'] = $self["id"];
2014 $datarray['owner-name'] = $self["name"];
2015 $datarray['owner-link'] = $self["url"];
2016 $datarray['owner-avatar'] = $self["thumb"];
2018 $datarray['author-name'] = $datarray['owner-name'];
2019 $datarray['author-link'] = $datarray['owner-link'];
2020 $datarray['author-avatar'] = $datarray['owner-avatar'];
2022 unset($datarray['edited']);
2024 unset($datarray['network']);
2025 unset($datarray['owner-id']);
2026 unset($datarray['author-id']);
2029 if ($contact['network'] != Protocol::FEED) {
2030 $old_uri_id = $datarray["uri-id"] ?? 0;
2031 $datarray["guid"] = System::createUUID();
2032 unset($datarray["plink"]);
2033 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2034 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2035 $datarray["extid"] = Protocol::DFRN;
2036 $urlpart = parse_url($datarray2['author-link']);
2037 $datarray["app"] = $urlpart["host"];
2038 if (!empty($old_uri_id)) {
2039 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2042 unset($datarray["parent-uri"]);
2043 unset($datarray["thr-parent"]);
2045 $datarray['private'] = self::PUBLIC;
2049 if ($contact['network'] != Protocol::FEED) {
2050 // Store the original post
2051 $result = self::insert($datarray2);
2052 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2054 $datarray["app"] = "Feed";
2058 // Trigger automatic reactions for addons
2059 $datarray['api_source'] = true;
2061 // We have to tell the hooks who we are - this really should be improved
2062 $_SESSION['authenticated'] = true;
2063 $_SESSION['uid'] = $contact['uid'];
2065 return (bool)$result;
2072 * @param array $item
2075 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2076 * @throws \ImagickException
2078 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2080 if (DI::config()->get('system', 'disable_embedded')) {
2084 Logger::info('check for photos');
2085 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2090 $img_start = strpos($orig_body, '[img');
2091 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2092 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2094 while (($img_st_close !== false) && ($img_len !== false)) {
2095 $img_st_close++; // make it point to AFTER the closing bracket
2096 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2098 Logger::info('found photo', ['image' => $image]);
2100 if (stristr($image, $site . '/photo/')) {
2101 // Only embed locally hosted photos
2103 $i = basename($image);
2104 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2105 $x = strpos($i, '-');
2108 $res = substr($i, $x + 1);
2109 $i = substr($i, 0, $x);
2110 $photo = Photo::getPhotoForUser($uid, $i, $res);
2111 if (DBA::isResult($photo)) {
2113 * Check to see if we should replace this photo link with an embedded image
2114 * 1. No need to do so if the photo is public
2115 * 2. If there's a contact-id provided, see if they're in the access list
2116 * for the photo. If so, embed it.
2117 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2118 * permissions, regardless of order but first check to see if they're an exact
2119 * match to save some processing overhead.
2121 if (self::hasPermissions($photo)) {
2123 $recips = self::enumeratePermissions($photo);
2124 if (in_array($cid, $recips)) {
2128 if (self::samePermissions($uid, $item, $photo)) {
2134 $photo_img = Photo::getImageForPhoto($photo);
2135 // If a custom width and height were specified, apply before embedding
2136 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2137 Logger::info('scaling photo');
2139 $width = intval($match[1]);
2140 $height = intval($match[2]);
2142 $photo_img->scaleDown(max($width, $height));
2145 $data = $photo_img->asString();
2146 $type = $photo_img->getType();
2148 Logger::info('replacing photo');
2149 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2150 Logger::debug('replaced', ['image' => $image]);
2156 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2157 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2158 if ($orig_body === false) {
2162 $img_start = strpos($orig_body, '[img');
2163 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2164 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2167 $new_body = $new_body . $orig_body;
2172 private static function hasPermissions($obj)
2174 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2175 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2178 private static function samePermissions($uid, $obj1, $obj2)
2180 // first part is easy. Check that these are exactly the same.
2181 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2182 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2183 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2184 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2188 // This is harder. Parse all the permissions and compare the resulting set.
2189 $recipients1 = self::enumeratePermissions($obj1);
2190 $recipients2 = self::enumeratePermissions($obj2);
2194 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2195 return ($recipients1 == $recipients2);
2199 * Returns an array of contact-ids that are allowed to see this object
2201 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2202 * @param bool $check_dead Prunes unavailable contacts from the result
2204 * @throws \Exception
2206 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2208 $aclFormater = DI::aclFormatter();
2210 $allow_people = $aclFormater->expand($obj['allow_cid']);
2211 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2212 $deny_people = $aclFormater->expand($obj['deny_cid']);
2213 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2214 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2215 $deny = array_unique(array_merge($deny_people, $deny_groups));
2216 $recipients = array_diff($recipients, $deny);
2220 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2222 if (!$uid || ($days < 1)) {
2226 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2227 $uid, GRAVITY_PARENT];
2230 * $expire_network_only = save your own wall posts
2231 * and just expire conversations started by others
2233 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2235 if ($expire_network_only) {
2236 $condition[0] .= " AND NOT `wall`";
2239 if ($network != "") {
2240 $condition[0] .= " AND `network` = ?";
2241 $condition[] = $network;
2244 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2245 $condition[] = $days;
2247 $items = Post::select(['resource-id', 'starred', 'type', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2249 if (!DBA::isResult($items)) {
2253 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2255 // Forcing expiring of items - but not notes and marked items
2257 $expire_items = true;
2260 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2261 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2262 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2266 $priority = DI::config()->get('system', 'expire-notify-priority');
2268 while ($item = Post::fetch($items)) {
2269 // don't expire filed items
2270 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2274 // Only expire posts, not photos and photo comments
2276 if (!$expire_photos && strlen($item['resource-id'])) {
2278 } elseif (!$expire_starred && intval($item['starred'])) {
2280 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2282 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2286 self::markForDeletionById($item['id'], $priority);
2291 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2294 public static function firstPostDate($uid, $wall = false)
2296 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2297 $params = ['order' => ['received' => false]];
2298 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2299 if (DBA::isResult($thread)) {
2300 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2306 * add/remove activity to an item
2308 * Toggle activities as like,dislike,attend of an item
2310 * @param int $item_id
2311 * @param string $verb
2312 * Activity verb. One of
2313 * like, unlike, dislike, undislike, attendyes, unattendyes,
2314 * attendno, unattendno, attendmaybe, unattendmaybe,
2315 * announce, unannouce
2317 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2318 * @throws \ImagickException
2319 * @hook 'post_local_end'
2321 * 'post_id' => ID of posted item
2323 public static function performActivity(int $item_id, string $verb, int $uid)
2329 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2331 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2332 if (!DBA::isResult($item)) {
2333 Logger::log('like: unknown item ' . $item_id);
2337 $uri_id = $item['uri-id'];
2339 if (!in_array($item['uid'], [0, $uid])) {
2343 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2344 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2345 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2346 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2347 if (!DBA::isResult($item)) {
2348 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2354 // Retrieves the local post owner
2355 $owner = User::getOwnerDataById($uid);
2356 if (empty($owner)) {
2357 Logger::info('Empty owner for user', ['uid' => $uid]);
2361 // Retrieve the current logged in user's public contact
2362 $author_id = Contact::getIdForURL($owner['url']);
2363 if (empty($author_id)) {
2364 Logger::info('Empty public contact');
2372 $activity = Activity::LIKE;
2376 $activity = Activity::DISLIKE;
2380 $activity = Activity::ATTEND;
2384 $activity = Activity::ATTENDNO;
2387 case 'unattendmaybe':
2388 $activity = Activity::ATTENDMAYBE;
2392 $activity = Activity::FOLLOW;
2396 $activity = Activity::ANNOUNCE;
2399 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2403 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2405 // Enable activity toggling instead of on/off
2406 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2408 // Look for an existing verb row
2409 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2410 if ($event_verb_flag) {
2411 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2413 // Translate to the index based activity index
2415 foreach ($verbs as $verb) {
2416 $vids[] = Verb::getID($verb);
2419 $vids = Verb::getID($activity);
2422 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2423 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2424 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2426 if (DBA::isResult($like_item)) {
2428 * Truth table for existing activities
2430 * | Inputs || Outputs |
2431 * |----------------------------||-------------------|
2432 * | Mode | Event | Same verb || Delete? | Return? |
2433 * |--------|-------|-----------||---------|---------|
2434 * | create | Yes | Yes || No | Yes |
2435 * | create | Yes | No || Yes | No |
2436 * | create | No | Yes || No | Yes |
2437 * | create | No | No || N/A†|
2438 * | delete | Yes | Yes || Yes | N/A‡ |
2439 * | delete | Yes | No || No | N/A‡ |
2440 * | delete | No | Yes || Yes | N/A‡ |
2441 * | delete | No | No || N/A†|
2442 * |--------|-------|-----------||---------|---------|
2443 * | A | B | C || A xor C | !B or C |
2445 * †Can't happen: It's impossible to find an existing non-event activity without
2446 * the same verb because we are only looking for this single verb.
2448 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2450 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2451 self::markForDeletionById($like_item['id']);
2454 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2459 // No need to go further if we aren't creating anything
2460 if ($mode == 'delete') {
2464 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2467 'guid' => System::createUUID(),
2468 'uri' => self::newURI($item['uid']),
2469 'uid' => $item['uid'],
2470 'contact-id' => $owner['id'],
2471 'wall' => $item['wall'],
2473 'network' => Protocol::DFRN,
2474 'protocol' => Conversation::PARCEL_DIRECT,
2475 'direction' => Conversation::PUSH,
2476 'gravity' => GRAVITY_ACTIVITY,
2477 'parent' => $item['id'],
2478 'thr-parent' => $item['uri'],
2479 'owner-id' => $author_id,
2480 'author-id' => $author_id,
2481 'body' => $activity,
2482 'verb' => $activity,
2483 'object-type' => $objtype,
2484 'allow_cid' => $item['allow_cid'],
2485 'allow_gid' => $item['allow_gid'],
2486 'deny_cid' => $item['deny_cid'],
2487 'deny_gid' => $item['deny_gid'],
2492 $signed = Diaspora::createLikeSignature($uid, $new_item);
2493 if (!empty($signed)) {
2494 $new_item['diaspora_signed_text'] = json_encode($signed);
2497 $new_item_id = self::insert($new_item);
2499 // If the parent item isn't visible then set it to visible
2500 if (!$item['visible']) {
2501 self::update(['visible' => true], ['id' => $item['id']]);
2504 $new_item['id'] = $new_item_id;
2506 Hook::callAll('post_local_end', $new_item);
2511 private static function addThread($itemid, $onlyshadow = false)
2513 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2514 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2515 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2516 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2517 $item = Post::selectFirst($fields, $condition);
2519 if (!DBA::isResult($item)) {
2523 $item['iid'] = $itemid;
2526 $result = DBA::replace('thread', $item);
2528 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2532 private static function updateThread($itemid, $setmention = false)
2534 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2535 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2536 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2538 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2539 if (!DBA::isResult($item)) {
2544 $item["mention"] = 1;
2549 foreach ($item as $field => $data) {
2550 if (!in_array($field, ["guid"])) {
2551 $fields[$field] = $data;
2555 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2557 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2560 private static function deleteThread($itemid, $uri_id)
2562 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2563 if (!DBA::isResult($item)) {
2564 Logger::info('No thread found', ['id' => $itemid]);
2568 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2570 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2572 $condition = ["`uri-id` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $uri_id, $item["uid"]];
2573 if (!Post::exists($condition)) {
2574 DBA::delete('item', ['uri-id' => $uri_id, 'uid' => 0]);
2575 Post\User::delete(['uri-id' => $uri_id, 'uid' => 0]);
2576 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri-id' => $uri_id]);
2581 * Fetch the SQL condition for the given user id
2583 * @param integer $owner_id User ID for which the permissions should be fetched
2584 * @return array condition
2586 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2588 $local_user = local_user();
2589 $remote_user = Session::getRemoteContactID($owner_id);
2591 // default permissions - anonymous user
2592 $condition = ["`private` != ?", self::PRIVATE];
2594 if ($local_user && ($local_user == $owner_id)) {
2595 // Profile owner - everything is visible
2597 } elseif ($remote_user) {
2598 // Authenticated visitor - fetch the matching permissionsets
2599 $set = PermissionSet::get($owner_id, $remote_user);
2601 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2602 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2603 self::PRIVATE, self::PRIVATE];
2604 $condition = array_merge($condition, $set);
2612 * Get a permission SQL string for the given user
2614 * @param int $owner_id
2615 * @param string $table
2618 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2620 $local_user = local_user();
2621 $remote_user = Session::getRemoteContactID($owner_id);
2623 if (!empty($table)) {
2624 $table = DBA::quoteIdentifier($table) . '.';
2628 * Construct permissions
2630 * default permissions - anonymous user
2632 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2634 // Profile owner - everything is visible
2635 if ($local_user && ($local_user == $owner_id)) {
2637 } elseif ($remote_user) {
2639 * Authenticated visitor. Unless pre-verified,
2640 * check that the contact belongs to this $owner_id
2641 * and load the groups the visitor belongs to.
2642 * If pre-verified, the caller is expected to have already
2643 * done this and passed the groups into this function.
2645 $set = PermissionSet::get($owner_id, $remote_user);
2648 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2653 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2660 * get translated item type
2665 public static function postType($item)
2667 if (!empty($item['event-id'])) {
2668 return DI::l10n()->t('event');
2669 } elseif (!empty($item['resource-id'])) {
2670 return DI::l10n()->t('photo');
2671 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2672 return DI::l10n()->t('activity');
2673 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2674 return DI::l10n()->t('comment');
2677 return DI::l10n()->t('post');
2681 * Sets the "rendered-html" field of the provided item
2683 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2685 * @param array $item
2686 * @param bool $update
2688 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2689 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2691 public static function putInCache(&$item, $update = false)
2693 // Save original body to prevent addons to modify it
2694 $body = $item['body'];
2696 $rendered_hash = $item['rendered-hash'] ?? '';
2697 $rendered_html = $item['rendered-html'] ?? '';
2699 if ($rendered_hash == ''
2700 || $rendered_html == ''
2701 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2702 || DI::config()->get('system', 'ignore_cache')
2704 self::addRedirToImageTags($item);
2706 $item['rendered-html'] = BBCode::convert($item['body']);
2707 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2709 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2710 Hook::callAll('put_item_in_cache', $hook_data);
2711 $item['rendered-html'] = $hook_data['rendered-html'];
2712 $item['rendered-hash'] = $hook_data['rendered-hash'];
2715 // Force an update if the generated values differ from the existing ones
2716 if ($rendered_hash != $item['rendered-hash']) {
2720 // Only compare the HTML when we forcefully ignore the cache
2721 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2725 if ($update && !empty($item['id'])) {
2728 'rendered-html' => $item['rendered-html'],
2729 'rendered-hash' => $item['rendered-hash']
2731 ['id' => $item['id']]
2736 $item['body'] = $body;
2740 * Find any non-embedded images in private items and add redir links to them
2742 * @param array &$item The field array of an item row
2744 private static function addRedirToImageTags(array &$item)
2749 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2751 foreach ($matches as $mtch) {
2752 if (strpos($mtch[1], '/redir') !== false) {
2756 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2757 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2758 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2765 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2766 * If attach is true, also add icons for item attachments.
2768 * @param array $item
2769 * @param boolean $attach
2770 * @param boolean $is_preview
2771 * @return string item body html
2772 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2773 * @throws \ImagickException
2774 * @hook prepare_body_init item array before any work
2775 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2776 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2777 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2779 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2782 Hook::callAll('prepare_body_init', $item);
2784 // In order to provide theme developers more possibilities, event items
2785 // are treated differently.
2786 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2787 $ev = Event::getItemHTML($item);
2791 $tags = Tag::populateFromItem($item);
2793 $item['tags'] = $tags['tags'];
2794 $item['hashtags'] = $tags['hashtags'];
2795 $item['mentions'] = $tags['mentions'];
2797 // Compile eventual content filter reasons
2798 $filter_reasons = [];
2799 if (!$is_preview && public_contact() != $item['author-id']) {
2800 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2801 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2806 'filter_reasons' => $filter_reasons
2808 Hook::callAll('prepare_body_content_filter', $hook_data);
2809 $filter_reasons = $hook_data['filter_reasons'];
2813 // Update the cached values if there is no "zrl=..." on the links.
2814 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2816 // Or update it if the current viewer is the intented viewer.
2817 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2821 self::putInCache($item, $update);
2822 $s = $item["rendered-html"];
2827 'preview' => $is_preview,
2828 'filter_reasons' => $filter_reasons
2830 Hook::callAll('prepare_body', $hook_data);
2831 $s = $hook_data['html'];
2835 // Replace the blockquotes with quotes that are used in mails.
2836 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2837 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2843 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2844 $mime = $attachment['mimetype'];
2846 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2848 if (strpos($mime, 'video') !== false) {
2851 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2854 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2856 'id' => $item['author-id'],
2857 'title' => DI::l10n()->t('View Video'),
2864 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2866 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2867 $filesubtype = str_replace('.', '-', $filesubtype);
2870 $filesubtype = 'unkn';
2873 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2874 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2876 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2877 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
2881 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
2885 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2886 $x = Map::byCoordinates(trim($item['coord']));
2888 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2892 // Replace friendica image url size with theme preference.
2893 if (!empty($a->theme_info['item_image_size'])) {
2894 $ps = $a->theme_info['item_image_size'];
2895 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2898 $s = HTML::applyContentFilter($s, $filter_reasons);
2900 $hook_data = ['item' => $item, 'html' => $s];
2901 Hook::callAll('prepare_body_final', $hook_data);
2903 return $hook_data['html'];
2907 * get private link for item
2909 * @param array $item
2910 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
2911 * @throws \Exception
2913 public static function getPlink($item)
2917 'href' => "display/" . $item['guid'],
2918 'orig' => "display/" . $item['guid'],
2919 'title' => DI::l10n()->t('View on separate page'),
2920 'orig_title' => DI::l10n()->t('view on separate page'),
2923 if (!empty($item['plink'])) {
2924 $ret["href"] = DI::baseUrl()->remove($item['plink']);
2925 $ret["title"] = DI::l10n()->t('link to source');
2927 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
2929 'href' => $item['plink'],
2930 'orig' => $item['plink'],
2931 'title' => DI::l10n()->t('link to source'),
2941 * Is the given item array a post that is sent as starting post to a forum?
2943 * @param array $item
2944 * @param array $owner
2946 * @return boolean "true" when it is a forum post
2948 public static function isForumPost(array $item, array $owner = [])
2950 if (empty($owner)) {
2951 $owner = User::getOwnerDataById($item['uid']);
2952 if (empty($owner)) {
2957 if (($item['author-id'] == $item['owner-id']) ||
2958 ($owner['id'] == $item['contact-id']) ||
2959 ($item['uri-id'] != $item['parent-uri-id']) ||
2964 return Contact::isForum($item['contact-id']);
2968 * Search item id for given URI or plink
2970 * @param string $uri
2971 * @param integer $uid
2973 * @return integer item id
2975 public static function searchByLink($uri, $uid = 0)
2977 $ssl_uri = str_replace('http://', 'https://', $uri);
2978 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
2980 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
2981 if (DBA::isResult($item)) {
2985 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
2986 if (DBA::isResult($item)) {
2994 * Return the URI for a link to the post
2996 * @param string $uri URI or link to post
2998 * @return string URI
3000 public static function getURIByLink(string $uri)
3002 $ssl_uri = str_replace('http://', 'https://', $uri);
3003 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3005 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3006 if (DBA::isResult($item)) {
3007 return $item['uri'];
3010 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3011 if (DBA::isResult($item)) {
3012 return $item['uri'];
3019 * Fetches item for given URI or plink
3021 * @param string $uri
3022 * @param integer $uid
3024 * @return integer item id
3026 public static function fetchByLink(string $uri, int $uid = 0)
3028 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3029 $item_id = self::searchByLink($uri, $uid);
3030 if (!empty($item_id)) {
3031 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3035 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3036 $item_id = self::searchByLink($fetched_uri, $uid);
3038 $item_id = Diaspora::fetchByURL($uri);
3041 if (!empty($item_id)) {
3042 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3046 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3051 * Return share data from an item array (if the item is shared item)
3052 * We are providing the complete Item array, because at some time in the future
3053 * we hopefully will define these values not in the body anymore but in some item fields.
3054 * This function is meant to replace all similar functions in the system.
3056 * @param array $item
3058 * @return array with share information
3060 public static function getShareArray($item)
3062 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3066 $attribute_string = $matches[2];
3067 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3068 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3069 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3070 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3077 * Fetch item information for shared items from the original items and adds it.
3079 * @param array $item
3081 * @return array item array with data from the original item
3083 public static function addShareDataFromOriginal(array $item)
3085 $shared = self::getShareArray($item);
3086 if (empty($shared)) {
3090 // Real reshares always have got a GUID.
3091 if (empty($shared['guid'])) {
3095 $uid = $item['uid'] ?? 0;
3097 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3098 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3099 if (!DBA::isResult($shared_item)) {
3100 if (empty($shared['link'])) {
3104 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3105 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3107 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3111 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3112 if (!DBA::isResult($shared_item)) {
3115 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3117 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3120 if (!empty($shared_item['title'])) {
3121 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3122 unset($shared_item['title']);
3124 $body = $shared_item['body'];
3127 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3128 unset($shared_item['body']);
3130 return array_merge($item, $shared_item);
3134 * Check a prospective item array against user-level permissions
3136 * @param array $item Expected keys: uri, gravity, and
3137 * author-link if is author-id is set,
3138 * owner-link if is owner-id is set,
3139 * causer-link if is causer-id is set.
3140 * @param int $user_id Local user ID
3142 * @throws \Exception
3144 protected static function isAllowedByUser(array $item, int $user_id)
3146 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3147 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3151 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3152 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3156 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3157 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3158 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3162 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3163 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);