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'], $item);
1102 // Remove all fields that aren't part of the item table
1103 foreach ($item as $field => $value) {
1104 if (!in_array($field, $structure['item'])) {
1105 unset($item[$field]);
1109 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1110 if (Post::exists($condition)) {
1111 Logger::notice('Item is already inserted - aborting', $condition);
1115 $result = DBA::insert('item', $item);
1117 // When the item was successfully stored we fetch the ID of the item.
1118 $current_post = DBA::lastInsertId();
1120 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1124 if (empty($current_post) || !DBA::isResult($result)) {
1125 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1126 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1127 self::spool($orig_item);
1131 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1133 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1134 $parent_id = $current_post;
1138 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1140 $item['id'] = $current_post;
1141 $item['parent'] = $parent_id;
1143 // update the commented timestamp on the parent
1144 if (DI::config()->get('system', 'like_no_comment')) {
1145 // Update when it is a comment
1146 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1148 // Update when it isn't a follow or tag verb
1149 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1152 if ($update_commented) {
1153 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1155 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1158 if ($item['gravity'] === GRAVITY_PARENT) {
1159 self::addThread($current_post);
1161 self::updateThread($parent_id);
1164 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1165 if (self::tagDeliver($item['uid'], $current_post)) {
1166 // Get the user information for the logging
1167 $user = User::getById($uid);
1169 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1174 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1175 if (DBA::isResult($posted_item)) {
1177 Hook::callAll('post_local_end', $posted_item);
1179 Hook::callAll('post_remote_end', $posted_item);
1182 Logger::log('new item not found in DB, id ' . $current_post);
1186 if ($item['gravity'] === GRAVITY_PARENT) {
1187 self::addShadow($current_post);
1189 self::addShadowPost($current_post);
1192 self::updateContact($item);
1194 UserItem::setNotification($current_post);
1196 check_user_notification($current_post);
1198 // Distribute items to users who subscribed to their tags
1199 self::distributeByTags($item);
1201 // Automatically reshare the item if the "remote_self" option is selected
1202 self::autoReshare($item);
1204 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1207 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1208 // Don't relay participation messages
1209 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1210 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1211 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1217 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1220 return $current_post;
1224 * Change the owner of a parent item if it had been shared by a forum
1226 * (public) forum posts in the new format consist of the regular post by the author
1227 * followed by an announce message sent from the forum account.
1228 * Changing the owner helps in grouping forum posts.
1230 * @param array $item
1233 private static function setOwnerforResharedItem(array $item)
1235 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1236 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1237 if (!DBA::isResult($parent)) {
1238 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1242 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1243 if (!DBA::isResult($author)) {
1244 Logger::error('Author not found', ['id' => $item['author-id']]);
1248 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1249 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1250 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1254 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1255 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1256 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1260 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1261 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1264 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1265 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1269 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1270 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]);
1274 * Distribute the given item to users who subscribed to their tags
1276 * @param array $item Processed item
1278 private static function distributeByTags(array $item)
1280 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1284 $uids = Tag::getUIDListByURIId($item['uri-id']);
1285 foreach ($uids as $uid) {
1286 if (Contact::isSharing($item['author-id'], $uid)) {
1289 $fields = ['post-type' => self::PT_TAG];
1292 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1293 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1298 * Distributes public items to the receivers
1300 * @param integer $itemid Item ID that should be added
1301 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1302 * @throws \Exception
1304 public static function distribute($itemid, $signed_text = '')
1306 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1307 $parent = Post::selectFirst(['owner-id'], $condition);
1308 if (!DBA::isResult($parent)) {
1312 // Only distribute public items from native networks
1313 $condition = ['id' => $itemid, 'uid' => 0,
1314 'network' => array_merge(Protocol::FEDERATED ,['']),
1315 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1316 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1317 if (!DBA::isResult($item)) {
1321 $origin = $item['origin'];
1325 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1326 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1327 if (!DBA::isResult($owner)) {
1331 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1332 $contacts = DBA::select('contact', ['uid'], $condition);
1333 while ($contact = DBA::fetch($contacts)) {
1334 if ($contact['uid'] == 0) {
1338 $users[$contact['uid']] = $contact['uid'];
1340 DBA::close($contacts);
1342 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1343 $contacts = DBA::select('contact', ['uid'], $condition);
1344 while ($contact = DBA::fetch($contacts)) {
1345 if ($contact['uid'] == 0) {
1349 $users[$contact['uid']] = $contact['uid'];
1351 DBA::close($contacts);
1353 if (!empty($owner['alias'])) {
1354 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1355 $contacts = DBA::select('contact', ['uid'], $condition);
1356 while ($contact = DBA::fetch($contacts)) {
1357 if ($contact['uid'] == 0) {
1361 $users[$contact['uid']] = $contact['uid'];
1363 DBA::close($contacts);
1368 if ($item['uri-id'] != $item['parent-uri-id']) {
1369 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1370 while ($parent = Post::fetch($parents)) {
1371 $users[$parent['uid']] = $parent['uid'];
1372 if ($parent['origin'] && !$origin) {
1373 $origin_uid = $parent['uid'];
1376 DBA::close($parents);
1379 foreach ($users as $uid) {
1380 if ($origin_uid == $uid) {
1381 $item['diaspora_signed_text'] = $signed_text;
1383 self::storeForUser($item, $uid);
1388 * Store a public item defined by their URI-ID for the given users
1390 * @param integer $uri_id URI-ID of the given item
1391 * @param integer $uid The user that will receive the item entry
1392 * @param array $fields Additional fields to be stored
1393 * @return integer stored item id
1395 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1397 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1398 if (!DBA::isResult($item)) {
1402 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1403 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']]);
1407 $item['post-type'] = self::PT_STORED;
1409 $item = array_merge($item, $fields);
1411 $stored = self::storeForUser($item, $uid);
1412 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1417 * Store a public item array for the given users
1419 * @param array $item The item entry that will be stored
1420 * @param integer $uid The user that will receive the item entry
1421 * @return integer stored item id
1422 * @throws \Exception
1424 private static function storeForUser(array $item, int $uid)
1426 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1427 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1432 unset($item['parent']);
1433 unset($item['mention']);
1434 unset($item['starred']);
1435 unset($item['unseen']);
1436 unset($item['psid']);
1438 $item['uid'] = $uid;
1439 $item['origin'] = 0;
1442 if ($item['gravity'] == GRAVITY_PARENT) {
1443 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1445 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1448 if (!empty($contact['id'])) {
1449 $item['contact-id'] = $contact['id'];
1451 // Shouldn't happen at all
1452 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1453 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1454 if (!DBA::isResult($self)) {
1455 // Shouldn't happen even less
1456 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1459 $item['contact-id'] = $self['id'];
1462 /// @todo Handling of "event-id"
1465 if ($item['gravity'] == GRAVITY_PARENT) {
1466 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1467 if (DBA::isResult($contact)) {
1468 $notify = self::isRemoteSelf($contact, $item);
1472 $distributed = self::insert($item, $notify, true);
1474 if (!$distributed) {
1475 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1477 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1479 return $distributed;
1483 * Add a shadow entry for a given item id that is a thread starter
1485 * We store every public item entry additionally with the user id "0".
1486 * This is used for the community page and for the search.
1487 * It is planned that in the future we will store public item entries only once.
1489 * @param integer $itemid Item ID that should be added
1490 * @throws \Exception
1492 private static function addShadow($itemid)
1494 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri-id'];
1495 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1496 $item = Post::selectFirst($fields, $condition);
1498 if (!DBA::isResult($item)) {
1502 // is it already a copy?
1503 if (($itemid == 0) || ($item['uid'] == 0)) {
1507 // Is it a visible public post?
1508 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1512 // is it an entry from a connector? Only add an entry for natively connected networks
1513 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1517 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1521 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1523 if (DBA::isResult($item)) {
1524 // Preparing public shadow (removing user specific data)
1527 unset($item['parent']);
1528 unset($item['wall']);
1529 unset($item['mention']);
1530 unset($item['origin']);
1531 unset($item['starred']);
1532 unset($item['postopts']);
1533 unset($item['inform']);
1534 unset($item['post-type']);
1535 if ($item['uri-id'] == $item['parent-uri-id']) {
1536 $item['contact-id'] = $item['owner-id'];
1538 $item['contact-id'] = $item['author-id'];
1541 $public_shadow = self::insert($item, false, true);
1543 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1548 * Add a shadow entry for a given item id that is a comment
1550 * This function does the same like the function above - but for comments
1552 * @param integer $itemid Item ID that should be added
1553 * @throws \Exception
1555 private static function addShadowPost($itemid)
1557 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1558 if (!DBA::isResult($item)) {
1562 // Is it a toplevel post?
1563 if ($item['gravity'] == GRAVITY_PARENT) {
1564 self::addShadow($itemid);
1568 // Is this a shadow entry?
1569 if ($item['uid'] == 0) {
1573 // Is there a shadow parent?
1574 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1578 // Is there already a shadow entry?
1579 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1583 // Save "origin" and "parent" state
1584 $origin = $item['origin'];
1585 $parent = $item['parent'];
1587 // Preparing public shadow (removing user specific data)
1590 unset($item['parent']);
1591 unset($item['wall']);
1592 unset($item['mention']);
1593 unset($item['origin']);
1594 unset($item['starred']);
1595 unset($item['postopts']);
1596 unset($item['inform']);
1597 unset($item['post-type']);
1598 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1600 $public_shadow = self::insert($item, false, true);
1602 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1604 // If this was a comment to a Diaspora post we don't get our comment back.
1605 // This means that we have to distribute the comment by ourselves.
1606 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1607 self::distribute($public_shadow);
1612 * Adds a language specification in a "language" element of given $arr.
1613 * Expects "body" element to exist in $arr.
1615 * @param array $item
1616 * @return string detected language
1617 * @throws \Text_LanguageDetect_Exception
1619 private static function getLanguage(array $item)
1621 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1625 // Convert attachments to links
1626 $naked_body = BBCode::removeAttachment($item['body']);
1627 if (empty($naked_body)) {
1631 // Remove links and pictures
1632 $naked_body = BBCode::removeLinks($naked_body);
1634 // Convert the title and the body to plain text
1635 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1637 // Remove possibly remaining links
1638 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1640 if (empty($naked_body)) {
1644 $ld = new Language(DI::l10n()->getAvailableLanguages());
1645 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1646 if (is_array($languages)) {
1647 return json_encode($languages);
1653 public static function getLanguageMessage(array $item)
1655 $iso639 = new \Matriphe\ISO639\ISO639;
1657 $used_languages = '';
1658 foreach (json_decode($item['language'], true) as $language => $reliability) {
1659 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1661 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1662 return $used_languages;
1666 * Creates an unique guid out of a given uri
1668 * @param string $uri uri of an item entry
1669 * @param string $host hostname for the GUID prefix
1670 * @return string unique guid
1672 public static function guidFromUri($uri, $host)
1674 // Our regular guid routine is using this kind of prefix as well
1675 // We have to avoid that different routines could accidentally create the same value
1676 $parsed = parse_url($uri);
1678 // We use a hash of the hostname as prefix for the guid
1679 $guid_prefix = hash("crc32", $host);
1681 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1682 unset($parsed["scheme"]);
1684 // Glue it together to be able to make a hash from it
1685 $host_id = implode("/", $parsed);
1687 // We could use any hash algorithm since it isn't a security issue
1688 $host_hash = hash("ripemd128", $host_id);
1690 return $guid_prefix.$host_hash;
1694 * generate an unique URI
1696 * @param integer $uid User id
1697 * @param string $guid An existing GUID (Otherwise it will be generated)
1700 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1702 public static function newURI($uid, $guid = "")
1705 $guid = System::createUUID();
1708 return DI::baseUrl()->get() . '/objects/' . $guid;
1712 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1714 * This can be used to filter for inactive contacts.
1715 * Only do this for public postings to avoid privacy problems, since poco data is public.
1716 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1718 * @param array $arr Contains the just posted item record
1719 * @throws \Exception
1721 private static function updateContact($arr)
1723 // Unarchive the author
1724 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1725 if (DBA::isResult($contact)) {
1726 Contact::unmarkForArchival($contact);
1729 // Unarchive the contact if it's not our own contact
1730 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1731 if (DBA::isResult($contact)) {
1732 Contact::unmarkForArchival($contact);
1735 /// @todo On private posts we could obfuscate the date
1736 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1738 // Is it a forum? Then we don't care about the rules from above
1739 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1740 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1746 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1747 // So we have to ensure to only update the last item when it had been our own post,
1748 // or it had been done by a "regular" contact.
1749 if (!empty($arr['wall'])) {
1750 $condition = ['id' => $arr['contact-id']];
1752 $condition = ['id' => $arr['contact-id'], 'self' => false];
1754 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1756 // Now do the same for the system wide contacts with uid=0
1757 if ($arr['private'] != self::PRIVATE) {
1758 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1759 ['id' => $arr['owner-id']]);
1761 if ($arr['owner-id'] != $arr['author-id']) {
1762 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1763 ['id' => $arr['author-id']]);
1768 public static function setHashtags($body)
1770 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1771 $tags = BBCode::getTags($body);
1774 if (!count($tags)) {
1778 // This sorting is important when there are hashtags that are part of other hashtags
1779 // Otherwise there could be problems with hashtags like #test and #test2
1780 // Because of this we are sorting from the longest to the shortest tag.
1781 usort($tags, function ($a, $b) {
1782 return strlen($b) <=> strlen($a);
1785 $URLSearchString = "^\[\]";
1787 // All hashtags should point to the home server if "local_tags" is activated
1788 if (DI::config()->get('system', 'local_tags')) {
1789 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1790 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1793 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1794 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1796 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1799 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1801 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1804 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1806 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1809 // Repair recursive urls
1810 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1813 foreach ($tags as $tag) {
1814 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1818 $basetag = str_replace('_', ' ', substr($tag, 1));
1819 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1821 $body = str_replace($tag, $newtag, $body);
1824 // Convert back the masked hashtags
1825 $body = str_replace("#", "#", $body);
1834 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1837 * @param int $item_id
1838 * @return boolean true if item was deleted, else false
1839 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1840 * @throws \ImagickException
1842 private static function tagDeliver($uid, $item_id)
1846 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1847 if (!DBA::isResult($user)) {
1851 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1852 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1854 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1855 if (!DBA::isResult($item)) {
1859 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1862 * Diaspora uses their own hardwired link URL in @-tags
1863 * instead of the one we supply with webfinger
1865 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1867 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1869 foreach ($matches as $mtch) {
1870 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1872 Logger::log('mention found: ' . $mtch[2]);
1878 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1879 foreach ($tags as $tag) {
1880 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1882 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1888 if (($community_page || $prvgroup) &&
1889 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1890 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
1891 DBA::delete('item', ['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1892 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1898 $arr = ['item' => $item, 'user' => $user];
1900 Hook::callAll('tagged', $arr);
1902 if (!$community_page && !$prvgroup) {
1907 * tgroup delivery - setup a second delivery chain
1908 * prevent delivery looping - only proceed
1909 * if the message originated elsewhere and is a top-level post
1911 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1915 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1916 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1917 if (!DBA::isResult($self)) {
1921 $owner_id = Contact::getIdForURL($self['url']);
1923 // also reset all the privacy bits to the forum default permissions
1925 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1927 $psid = PermissionSet::getIdFromACL(
1935 $forum_mode = ($prvgroup ? 2 : 1);
1937 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1938 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
1939 self::update($fields, ['id' => $item_id]);
1941 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
1943 self::performActivity($item_id, 'announce', $uid);
1949 * Automatically reshare the item if the "remote_self" option is selected
1951 * @param array $item
1954 private static function autoReshare(array $item)
1956 if ($item['gravity'] != GRAVITY_PARENT) {
1960 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1964 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1968 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1970 self::performActivity($item['id'], 'announce', $item['uid']);
1973 public static function isRemoteSelf($contact, &$datarray)
1975 if (!$contact['remote_self']) {
1979 // Prevent the forwarding of posts that are forwarded
1980 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1981 Logger::info('Already forwarded');
1985 // Prevent to forward already forwarded posts
1986 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1987 Logger::info('Already forwarded (second test)');
1991 // Only forward posts
1992 if ($datarray["verb"] != Activity::POST) {
1993 Logger::info('No post');
1997 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
1998 Logger::info('Not public');
2002 $datarray2 = $datarray;
2003 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2004 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2005 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2006 ['uid' => $contact['uid'], 'self' => true]);
2007 if (DBA::isResult($self)) {
2008 $datarray['contact-id'] = $self["id"];
2010 $datarray['owner-name'] = $self["name"];
2011 $datarray['owner-link'] = $self["url"];
2012 $datarray['owner-avatar'] = $self["thumb"];
2014 $datarray['author-name'] = $datarray['owner-name'];
2015 $datarray['author-link'] = $datarray['owner-link'];
2016 $datarray['author-avatar'] = $datarray['owner-avatar'];
2018 unset($datarray['edited']);
2020 unset($datarray['network']);
2021 unset($datarray['owner-id']);
2022 unset($datarray['author-id']);
2025 if ($contact['network'] != Protocol::FEED) {
2026 $old_uri_id = $datarray["uri-id"] ?? 0;
2027 $datarray["guid"] = System::createUUID();
2028 unset($datarray["plink"]);
2029 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2030 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2031 $datarray["extid"] = Protocol::DFRN;
2032 $urlpart = parse_url($datarray2['author-link']);
2033 $datarray["app"] = $urlpart["host"];
2034 if (!empty($old_uri_id)) {
2035 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2038 unset($datarray["parent-uri"]);
2039 unset($datarray["thr-parent"]);
2041 $datarray['private'] = self::PUBLIC;
2045 if ($contact['network'] != Protocol::FEED) {
2046 // Store the original post
2047 $result = self::insert($datarray2);
2048 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2050 $datarray["app"] = "Feed";
2054 // Trigger automatic reactions for addons
2055 $datarray['api_source'] = true;
2057 // We have to tell the hooks who we are - this really should be improved
2058 $_SESSION['authenticated'] = true;
2059 $_SESSION['uid'] = $contact['uid'];
2061 return (bool)$result;
2068 * @param array $item
2071 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2072 * @throws \ImagickException
2074 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2076 if (DI::config()->get('system', 'disable_embedded')) {
2080 Logger::info('check for photos');
2081 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2086 $img_start = strpos($orig_body, '[img');
2087 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2088 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2090 while (($img_st_close !== false) && ($img_len !== false)) {
2091 $img_st_close++; // make it point to AFTER the closing bracket
2092 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2094 Logger::info('found photo', ['image' => $image]);
2096 if (stristr($image, $site . '/photo/')) {
2097 // Only embed locally hosted photos
2099 $i = basename($image);
2100 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2101 $x = strpos($i, '-');
2104 $res = substr($i, $x + 1);
2105 $i = substr($i, 0, $x);
2106 $photo = Photo::getPhotoForUser($uid, $i, $res);
2107 if (DBA::isResult($photo)) {
2109 * Check to see if we should replace this photo link with an embedded image
2110 * 1. No need to do so if the photo is public
2111 * 2. If there's a contact-id provided, see if they're in the access list
2112 * for the photo. If so, embed it.
2113 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2114 * permissions, regardless of order but first check to see if they're an exact
2115 * match to save some processing overhead.
2117 if (self::hasPermissions($photo)) {
2119 $recips = self::enumeratePermissions($photo);
2120 if (in_array($cid, $recips)) {
2124 if (self::samePermissions($uid, $item, $photo)) {
2130 $photo_img = Photo::getImageForPhoto($photo);
2131 // If a custom width and height were specified, apply before embedding
2132 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2133 Logger::info('scaling photo');
2135 $width = intval($match[1]);
2136 $height = intval($match[2]);
2138 $photo_img->scaleDown(max($width, $height));
2141 $data = $photo_img->asString();
2142 $type = $photo_img->getType();
2144 Logger::info('replacing photo');
2145 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2146 Logger::debug('replaced', ['image' => $image]);
2152 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2153 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2154 if ($orig_body === false) {
2158 $img_start = strpos($orig_body, '[img');
2159 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2160 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2163 $new_body = $new_body . $orig_body;
2168 private static function hasPermissions($obj)
2170 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2171 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2174 private static function samePermissions($uid, $obj1, $obj2)
2176 // first part is easy. Check that these are exactly the same.
2177 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2178 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2179 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2180 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2184 // This is harder. Parse all the permissions and compare the resulting set.
2185 $recipients1 = self::enumeratePermissions($obj1);
2186 $recipients2 = self::enumeratePermissions($obj2);
2190 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2191 return ($recipients1 == $recipients2);
2195 * Returns an array of contact-ids that are allowed to see this object
2197 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2198 * @param bool $check_dead Prunes unavailable contacts from the result
2200 * @throws \Exception
2202 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2204 $aclFormater = DI::aclFormatter();
2206 $allow_people = $aclFormater->expand($obj['allow_cid']);
2207 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2208 $deny_people = $aclFormater->expand($obj['deny_cid']);
2209 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2210 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2211 $deny = array_unique(array_merge($deny_people, $deny_groups));
2212 $recipients = array_diff($recipients, $deny);
2216 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2218 if (!$uid || ($days < 1)) {
2222 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2223 $uid, GRAVITY_PARENT];
2226 * $expire_network_only = save your own wall posts
2227 * and just expire conversations started by others
2229 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2231 if ($expire_network_only) {
2232 $condition[0] .= " AND NOT `wall`";
2235 if ($network != "") {
2236 $condition[0] .= " AND `network` = ?";
2237 $condition[] = $network;
2240 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2241 $condition[] = $days;
2243 $items = Post::select(['resource-id', 'starred', 'type', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2245 if (!DBA::isResult($items)) {
2249 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2251 // Forcing expiring of items - but not notes and marked items
2253 $expire_items = true;
2256 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2257 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2258 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2262 $priority = DI::config()->get('system', 'expire-notify-priority');
2264 while ($item = Post::fetch($items)) {
2265 // don't expire filed items
2266 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2270 // Only expire posts, not photos and photo comments
2272 if (!$expire_photos && strlen($item['resource-id'])) {
2274 } elseif (!$expire_starred && intval($item['starred'])) {
2276 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2278 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2282 self::markForDeletionById($item['id'], $priority);
2287 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2290 public static function firstPostDate($uid, $wall = false)
2292 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2293 $params = ['order' => ['received' => false]];
2294 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2295 if (DBA::isResult($thread)) {
2296 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2302 * add/remove activity to an item
2304 * Toggle activities as like,dislike,attend of an item
2306 * @param int $item_id
2307 * @param string $verb
2308 * Activity verb. One of
2309 * like, unlike, dislike, undislike, attendyes, unattendyes,
2310 * attendno, unattendno, attendmaybe, unattendmaybe,
2311 * announce, unannouce
2313 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2314 * @throws \ImagickException
2315 * @hook 'post_local_end'
2317 * 'post_id' => ID of posted item
2319 public static function performActivity(int $item_id, string $verb, int $uid)
2325 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2327 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2328 if (!DBA::isResult($item)) {
2329 Logger::log('like: unknown item ' . $item_id);
2333 $uri_id = $item['uri-id'];
2335 if (!in_array($item['uid'], [0, $uid])) {
2339 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2340 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2341 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2342 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2343 if (!DBA::isResult($item)) {
2344 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2350 // Retrieves the local post owner
2351 $owner = User::getOwnerDataById($uid);
2352 if (empty($owner)) {
2353 Logger::info('Empty owner for user', ['uid' => $uid]);
2357 // Retrieve the current logged in user's public contact
2358 $author_id = Contact::getIdForURL($owner['url']);
2359 if (empty($author_id)) {
2360 Logger::info('Empty public contact');
2368 $activity = Activity::LIKE;
2372 $activity = Activity::DISLIKE;
2376 $activity = Activity::ATTEND;
2380 $activity = Activity::ATTENDNO;
2383 case 'unattendmaybe':
2384 $activity = Activity::ATTENDMAYBE;
2388 $activity = Activity::FOLLOW;
2392 $activity = Activity::ANNOUNCE;
2395 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2399 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2401 // Enable activity toggling instead of on/off
2402 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2404 // Look for an existing verb row
2405 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2406 if ($event_verb_flag) {
2407 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2409 // Translate to the index based activity index
2411 foreach ($verbs as $verb) {
2412 $vids[] = Verb::getID($verb);
2415 $vids = Verb::getID($activity);
2418 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2419 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2420 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2422 if (DBA::isResult($like_item)) {
2424 * Truth table for existing activities
2426 * | Inputs || Outputs |
2427 * |----------------------------||-------------------|
2428 * | Mode | Event | Same verb || Delete? | Return? |
2429 * |--------|-------|-----------||---------|---------|
2430 * | create | Yes | Yes || No | Yes |
2431 * | create | Yes | No || Yes | No |
2432 * | create | No | Yes || No | Yes |
2433 * | create | No | No || N/A†|
2434 * | delete | Yes | Yes || Yes | N/A‡ |
2435 * | delete | Yes | No || No | N/A‡ |
2436 * | delete | No | Yes || Yes | N/A‡ |
2437 * | delete | No | No || N/A†|
2438 * |--------|-------|-----------||---------|---------|
2439 * | A | B | C || A xor C | !B or C |
2441 * †Can't happen: It's impossible to find an existing non-event activity without
2442 * the same verb because we are only looking for this single verb.
2444 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2446 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2447 self::markForDeletionById($like_item['id']);
2450 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2455 // No need to go further if we aren't creating anything
2456 if ($mode == 'delete') {
2460 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2463 'guid' => System::createUUID(),
2464 'uri' => self::newURI($item['uid']),
2465 'uid' => $item['uid'],
2466 'contact-id' => $owner['id'],
2467 'wall' => $item['wall'],
2469 'network' => Protocol::DFRN,
2470 'protocol' => Conversation::PARCEL_DIRECT,
2471 'direction' => Conversation::PUSH,
2472 'gravity' => GRAVITY_ACTIVITY,
2473 'parent' => $item['id'],
2474 'thr-parent' => $item['uri'],
2475 'owner-id' => $author_id,
2476 'author-id' => $author_id,
2477 'body' => $activity,
2478 'verb' => $activity,
2479 'object-type' => $objtype,
2480 'allow_cid' => $item['allow_cid'],
2481 'allow_gid' => $item['allow_gid'],
2482 'deny_cid' => $item['deny_cid'],
2483 'deny_gid' => $item['deny_gid'],
2488 $signed = Diaspora::createLikeSignature($uid, $new_item);
2489 if (!empty($signed)) {
2490 $new_item['diaspora_signed_text'] = json_encode($signed);
2493 $new_item_id = self::insert($new_item);
2495 // If the parent item isn't visible then set it to visible
2496 if (!$item['visible']) {
2497 self::update(['visible' => true], ['id' => $item['id']]);
2500 $new_item['id'] = $new_item_id;
2502 Hook::callAll('post_local_end', $new_item);
2507 private static function addThread($itemid, $onlyshadow = false)
2509 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2510 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2511 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2512 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2513 $item = Post::selectFirst($fields, $condition);
2515 if (!DBA::isResult($item)) {
2519 $item['iid'] = $itemid;
2522 $result = DBA::replace('thread', $item);
2524 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2528 private static function updateThread($itemid, $setmention = false)
2530 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2531 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2532 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2534 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2535 if (!DBA::isResult($item)) {
2540 $item["mention"] = 1;
2545 foreach ($item as $field => $data) {
2546 if (!in_array($field, ["guid"])) {
2547 $fields[$field] = $data;
2551 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2553 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2556 private static function deleteThread($itemid, $uri_id)
2558 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2559 if (!DBA::isResult($item)) {
2560 Logger::info('No thread found', ['id' => $itemid]);
2564 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2566 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2568 $condition = ["`uri-id` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $uri_id, $item["uid"]];
2569 if (!Post::exists($condition)) {
2570 DBA::delete('item', ['uri-id' => $uri_id, 'uid' => 0]);
2571 Post\User::delete(['uri-id' => $uri_id, 'uid' => 0]);
2572 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri-id' => $uri_id]);
2577 * Fetch the SQL condition for the given user id
2579 * @param integer $owner_id User ID for which the permissions should be fetched
2580 * @return array condition
2582 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2584 $local_user = local_user();
2585 $remote_user = Session::getRemoteContactID($owner_id);
2587 // default permissions - anonymous user
2588 $condition = ["`private` != ?", self::PRIVATE];
2590 if ($local_user && ($local_user == $owner_id)) {
2591 // Profile owner - everything is visible
2593 } elseif ($remote_user) {
2594 // Authenticated visitor - fetch the matching permissionsets
2595 $set = PermissionSet::get($owner_id, $remote_user);
2597 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2598 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2599 self::PRIVATE, self::PRIVATE];
2600 $condition = array_merge($condition, $set);
2608 * Get a permission SQL string for the given user
2610 * @param int $owner_id
2611 * @param string $table
2614 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2616 $local_user = local_user();
2617 $remote_user = Session::getRemoteContactID($owner_id);
2619 if (!empty($table)) {
2620 $table = DBA::quoteIdentifier($table) . '.';
2624 * Construct permissions
2626 * default permissions - anonymous user
2628 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2630 // Profile owner - everything is visible
2631 if ($local_user && ($local_user == $owner_id)) {
2633 } elseif ($remote_user) {
2635 * Authenticated visitor. Unless pre-verified,
2636 * check that the contact belongs to this $owner_id
2637 * and load the groups the visitor belongs to.
2638 * If pre-verified, the caller is expected to have already
2639 * done this and passed the groups into this function.
2641 $set = PermissionSet::get($owner_id, $remote_user);
2644 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2649 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2656 * get translated item type
2661 public static function postType($item)
2663 if (!empty($item['event-id'])) {
2664 return DI::l10n()->t('event');
2665 } elseif (!empty($item['resource-id'])) {
2666 return DI::l10n()->t('photo');
2667 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2668 return DI::l10n()->t('activity');
2669 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2670 return DI::l10n()->t('comment');
2673 return DI::l10n()->t('post');
2677 * Sets the "rendered-html" field of the provided item
2679 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2681 * @param array $item
2682 * @param bool $update
2684 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2685 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2687 public static function putInCache(&$item, $update = false)
2689 // Save original body to prevent addons to modify it
2690 $body = $item['body'];
2692 $rendered_hash = $item['rendered-hash'] ?? '';
2693 $rendered_html = $item['rendered-html'] ?? '';
2695 if ($rendered_hash == ''
2696 || $rendered_html == ''
2697 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2698 || DI::config()->get('system', 'ignore_cache')
2700 self::addRedirToImageTags($item);
2702 $item['rendered-html'] = BBCode::convert($item['body']);
2703 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2705 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2706 Hook::callAll('put_item_in_cache', $hook_data);
2707 $item['rendered-html'] = $hook_data['rendered-html'];
2708 $item['rendered-hash'] = $hook_data['rendered-hash'];
2711 // Force an update if the generated values differ from the existing ones
2712 if ($rendered_hash != $item['rendered-hash']) {
2716 // Only compare the HTML when we forcefully ignore the cache
2717 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2721 if ($update && !empty($item['id'])) {
2724 'rendered-html' => $item['rendered-html'],
2725 'rendered-hash' => $item['rendered-hash']
2727 ['id' => $item['id']]
2732 $item['body'] = $body;
2736 * Find any non-embedded images in private items and add redir links to them
2738 * @param array &$item The field array of an item row
2740 private static function addRedirToImageTags(array &$item)
2745 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2747 foreach ($matches as $mtch) {
2748 if (strpos($mtch[1], '/redir') !== false) {
2752 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2753 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2754 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2761 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2762 * If attach is true, also add icons for item attachments.
2764 * @param array $item
2765 * @param boolean $attach
2766 * @param boolean $is_preview
2767 * @return string item body html
2768 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2769 * @throws \ImagickException
2770 * @hook prepare_body_init item array before any work
2771 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2772 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2773 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2775 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2778 Hook::callAll('prepare_body_init', $item);
2780 // In order to provide theme developers more possibilities, event items
2781 // are treated differently.
2782 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2783 $ev = Event::getItemHTML($item);
2787 $tags = Tag::populateFromItem($item);
2789 $item['tags'] = $tags['tags'];
2790 $item['hashtags'] = $tags['hashtags'];
2791 $item['mentions'] = $tags['mentions'];
2793 // Compile eventual content filter reasons
2794 $filter_reasons = [];
2795 if (!$is_preview && public_contact() != $item['author-id']) {
2796 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2797 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2802 'filter_reasons' => $filter_reasons
2804 Hook::callAll('prepare_body_content_filter', $hook_data);
2805 $filter_reasons = $hook_data['filter_reasons'];
2809 // Update the cached values if there is no "zrl=..." on the links.
2810 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2812 // Or update it if the current viewer is the intented viewer.
2813 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2817 self::putInCache($item, $update);
2818 $s = $item["rendered-html"];
2823 'preview' => $is_preview,
2824 'filter_reasons' => $filter_reasons
2826 Hook::callAll('prepare_body', $hook_data);
2827 $s = $hook_data['html'];
2831 // Replace the blockquotes with quotes that are used in mails.
2832 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2833 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2839 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2840 $mime = $attachment['mimetype'];
2842 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2844 if (strpos($mime, 'video') !== false) {
2847 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2850 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2852 'id' => $item['author-id'],
2853 'title' => DI::l10n()->t('View Video'),
2860 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2862 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2863 $filesubtype = str_replace('.', '-', $filesubtype);
2866 $filesubtype = 'unkn';
2869 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2870 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2872 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2873 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
2877 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
2881 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2882 $x = Map::byCoordinates(trim($item['coord']));
2884 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2888 // Replace friendica image url size with theme preference.
2889 if (!empty($a->theme_info['item_image_size'])) {
2890 $ps = $a->theme_info['item_image_size'];
2891 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2894 $s = HTML::applyContentFilter($s, $filter_reasons);
2896 $hook_data = ['item' => $item, 'html' => $s];
2897 Hook::callAll('prepare_body_final', $hook_data);
2899 return $hook_data['html'];
2903 * get private link for item
2905 * @param array $item
2906 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
2907 * @throws \Exception
2909 public static function getPlink($item)
2913 'href' => "display/" . $item['guid'],
2914 'orig' => "display/" . $item['guid'],
2915 'title' => DI::l10n()->t('View on separate page'),
2916 'orig_title' => DI::l10n()->t('view on separate page'),
2919 if (!empty($item['plink'])) {
2920 $ret["href"] = DI::baseUrl()->remove($item['plink']);
2921 $ret["title"] = DI::l10n()->t('link to source');
2923 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
2925 'href' => $item['plink'],
2926 'orig' => $item['plink'],
2927 'title' => DI::l10n()->t('link to source'),
2937 * Is the given item array a post that is sent as starting post to a forum?
2939 * @param array $item
2940 * @param array $owner
2942 * @return boolean "true" when it is a forum post
2944 public static function isForumPost(array $item, array $owner = [])
2946 if (empty($owner)) {
2947 $owner = User::getOwnerDataById($item['uid']);
2948 if (empty($owner)) {
2953 if (($item['author-id'] == $item['owner-id']) ||
2954 ($owner['id'] == $item['contact-id']) ||
2955 ($item['uri-id'] != $item['parent-uri-id']) ||
2960 return Contact::isForum($item['contact-id']);
2964 * Search item id for given URI or plink
2966 * @param string $uri
2967 * @param integer $uid
2969 * @return integer item id
2971 public static function searchByLink($uri, $uid = 0)
2973 $ssl_uri = str_replace('http://', 'https://', $uri);
2974 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
2976 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
2977 if (DBA::isResult($item)) {
2981 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
2982 if (DBA::isResult($item)) {
2990 * Return the URI for a link to the post
2992 * @param string $uri URI or link to post
2994 * @return string URI
2996 public static function getURIByLink(string $uri)
2998 $ssl_uri = str_replace('http://', 'https://', $uri);
2999 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3001 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3002 if (DBA::isResult($item)) {
3003 return $item['uri'];
3006 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3007 if (DBA::isResult($item)) {
3008 return $item['uri'];
3015 * Fetches item for given URI or plink
3017 * @param string $uri
3018 * @param integer $uid
3020 * @return integer item id
3022 public static function fetchByLink(string $uri, int $uid = 0)
3024 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3025 $item_id = self::searchByLink($uri, $uid);
3026 if (!empty($item_id)) {
3027 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3031 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3032 $item_id = self::searchByLink($fetched_uri, $uid);
3034 $item_id = Diaspora::fetchByURL($uri);
3037 if (!empty($item_id)) {
3038 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3042 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3047 * Return share data from an item array (if the item is shared item)
3048 * We are providing the complete Item array, because at some time in the future
3049 * we hopefully will define these values not in the body anymore but in some item fields.
3050 * This function is meant to replace all similar functions in the system.
3052 * @param array $item
3054 * @return array with share information
3056 public static function getShareArray($item)
3058 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3062 $attribute_string = $matches[2];
3063 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3064 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3065 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3066 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3073 * Fetch item information for shared items from the original items and adds it.
3075 * @param array $item
3077 * @return array item array with data from the original item
3079 public static function addShareDataFromOriginal(array $item)
3081 $shared = self::getShareArray($item);
3082 if (empty($shared)) {
3086 // Real reshares always have got a GUID.
3087 if (empty($shared['guid'])) {
3091 $uid = $item['uid'] ?? 0;
3093 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3094 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3095 if (!DBA::isResult($shared_item)) {
3096 if (empty($shared['link'])) {
3100 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3101 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3103 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3107 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3108 if (!DBA::isResult($shared_item)) {
3111 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3113 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3116 if (!empty($shared_item['title'])) {
3117 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3118 unset($shared_item['title']);
3120 $body = $shared_item['body'];
3123 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3124 unset($shared_item['body']);
3126 return array_merge($item, $shared_item);
3130 * Check a prospective item array against user-level permissions
3132 * @param array $item Expected keys: uri, gravity, and
3133 * author-link if is author-id is set,
3134 * owner-link if is owner-id is set,
3135 * causer-link if is causer-id is set.
3136 * @param int $user_id Local user ID
3138 * @throws \Exception
3140 protected static function isAllowedByUser(array $item, int $user_id)
3142 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3143 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3147 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3148 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3152 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3153 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3154 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3158 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3159 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);