4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Core\Addon;
11 use Friendica\Core\Config;
12 use Friendica\Core\L10n;
13 use Friendica\Core\PConfig;
14 use Friendica\Core\System;
15 use Friendica\Core\Worker;
16 use Friendica\Database\DBM;
17 use Friendica\Model\Contact;
18 use Friendica\Model\Conversation;
19 use Friendica\Model\Group;
20 use Friendica\Model\Term;
21 use Friendica\Object\Image;
22 use Friendica\Protocol\Diaspora;
23 use Friendica\Protocol\OStatus;
24 use Friendica\Util\DateTimeFormat;
26 use Text_LanguageDetect;
28 require_once 'boot.php';
29 require_once 'include/items.php';
30 require_once 'include/text.php';
31 require_once 'include/event.php';
33 class Item extends BaseObject
36 * @brief Update existing item entries
38 * @param array $fields The fields that are to be changed
39 * @param array $condition The condition for finding the item entries
41 * In the future we may have to change permissions as well.
42 * Then we had to add the user id as third parameter.
44 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
46 * @return integer|boolean number of affected rows - or "false" if there was an error
48 public static function update(array $fields, array $condition)
50 if (empty($condition) || empty($fields)) {
54 $success = dba::update('item', $fields, $condition);
60 $rows = dba::affected_rows();
62 // We cannot simply expand the condition to check for origin entries
63 // The condition needn't to be a simple array but could be a complex condition.
64 $items = dba::select('item', ['id', 'origin'], $condition);
65 while ($item = dba::fetch($items)) {
66 Term::insertFromTagFieldByItemId($item['id']);
67 Term::insertFromFileFieldByItemId($item['id']);
68 self::updateThread($item['id']);
70 // We only need to notfiy others when it is an original entry from us
71 if ($item['origin']) {
72 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
80 * @brief Delete an item and notify others about it - if it was ours
82 * @param array $condition The condition for finding the item entries
83 * @param integer $priority Priority for the notification
85 public static function delete($condition, $priority = PRIORITY_HIGH)
87 $items = dba::select('item', ['id'], $condition);
88 while ($item = dba::fetch($items)) {
89 self::deleteById($item['id'], $priority);
95 * @brief Delete an item and notify others about it - if it was ours
97 * @param integer $item_id Item ID that should be delete
98 * @param integer $priority Priority for the notification
100 * @return $boolean success
102 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
104 // locate item to be deleted
105 $fields = ['id', 'uid', 'parent', 'parent-uri', 'origin', 'deleted',
106 'file', 'resource-id', 'event-id', 'attach',
107 'verb', 'object-type', 'object', 'target', 'contact-id'];
108 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
109 if (!DBM::is_result($item)) {
113 if ($item['deleted']) {
117 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
118 if (!DBM::is_result($parent)) {
119 $parent = ['origin' => false];
122 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
124 // clean up categories and tags so they don't end up as orphans
127 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
129 foreach ($matches as $mtch) {
130 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
136 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
138 foreach ($matches as $mtch) {
139 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
144 * If item is a link to a photo resource, nuke all the associated photos
145 * (visitors will not have photo resources)
146 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
147 * generate a resource-id and therefore aren't intimately linked to the item.
149 if (strlen($item['resource-id'])) {
150 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
153 // If item is a link to an event, delete the event.
154 if (intval($item['event-id'])) {
155 event_delete($item['event-id']);
158 // If item has attachments, drop them
159 foreach (explode(", ", $item['attach']) as $attach) {
160 preg_match("|attach/(\d+)|", $attach, $matches);
161 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
164 // Delete tags that had been attached to other items
165 self::deleteTagsFromItem($item);
167 // Set the item to "deleted"
168 dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
169 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
170 ['id' => $item['id']]);
172 Term::insertFromTagFieldByItemId($item['id']);
173 Term::insertFromFileFieldByItemId($item['id']);
174 self::deleteThread($item['id'], $item['parent-uri']);
176 // If it's the parent of a comment thread, kill all the kids
177 if ($item['id'] == $item['parent']) {
178 self::delete(['parent' => $item['parent']], $priority);
181 // send the notification upstream/downstream
182 if ($item['origin'] || $parent['origin']) {
183 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
189 private static function deleteTagsFromItem($item)
191 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
195 $xo = XML::parseString($item["object"], false);
196 $xt = XML::parseString($item["target"], false);
198 if ($xt->type != ACTIVITY_OBJ_NOTE) {
202 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
203 if (!DBM::is_result($i)) {
207 // For tags, the owner cannot remove the tag on the author's copy of the post.
208 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
209 $author_copy = $item["origin"];
211 if (($owner_remove && $author_copy) || !$owner_remove) {
215 $tags = explode(',', $i["tag"]);
218 foreach ($tags as $tag) {
219 if (trim($tag) !== trim($xo->body)) {
220 $newtags[] = trim($tag);
224 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
227 private static function guid($item, $notify)
229 $guid = notags(trim($item['guid']));
236 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
237 // We add the hash of our own host because our host is the original creator of the post.
238 $prefix_host = get_app()->get_hostname();
242 // We are only storing the post so we create a GUID from the original hostname.
243 if (!empty($item['author-link'])) {
244 $parsed = parse_url($item['author-link']);
245 if (!empty($parsed['host'])) {
246 $prefix_host = $parsed['host'];
250 if (empty($prefix_host) && !empty($item['plink'])) {
251 $parsed = parse_url($item['plink']);
252 if (!empty($parsed['host'])) {
253 $prefix_host = $parsed['host'];
257 if (empty($prefix_host) && !empty($item['uri'])) {
258 $parsed = parse_url($item['uri']);
259 if (!empty($parsed['host'])) {
260 $prefix_host = $parsed['host'];
265 if (!empty($item['plink'])) {
266 $guid = self::guidFromUri($item['plink'], $prefix_host);
267 } elseif (!empty($item['uri'])) {
268 $guid = self::guidFromUri($item['uri'], $prefix_host);
270 $guid = get_guid(32, hash('crc32', $prefix_host));
276 private static function contactId($item)
278 $contact_id = (int)$item["contact-id"];
280 if (!empty($contact_id)) {
285 * First we are looking for a suitable contact that matches with the author of the post
286 * This is done only for comments
288 if ($item['parent-uri'] != $item['uri']) {
289 $contact_id = Contact::getIdForURL($item['author-link'], $uid);
292 // If not present then maybe the owner was found
293 if ($contact_id == 0) {
294 $contact_id = Contact::getIdForURL($item['owner-link'], $uid);
297 // Still missing? Then use the "self" contact of the current user
298 if ($contact_id == 0) {
299 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
300 if (DBM::is_result($self)) {
301 $contact_id = $self["id"];
304 logger("Contact-id was missing for post ".$item["guid"]." from user id ".$uid." - now set to ".$contact_id, LOGGER_DEBUG);
309 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
313 // If it is a posting where users should get notifications, then define it as wall posting
316 $item['type'] = 'wall';
318 $item['network'] = NETWORK_DFRN;
319 $item['protocol'] = PROTOCOL_DFRN;
321 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
324 $item['guid'] = self::guid($item, $notify);
325 $item['uri'] = notags(trim(defaults($item, 'uri', item_new_uri($a->get_hostname(), $item['uid'], $item['guid']))));
327 // Store conversation data
328 $item = Conversation::insert($item);
331 * If a Diaspora signature structure was passed in, pull it out of the
332 * item array and set it aside for later storage.
336 if (x($item, 'dsprsig')) {
337 $encoded_signature = $item['dsprsig'];
338 $dsprsig = json_decode(base64_decode($item['dsprsig']));
339 unset($item['dsprsig']);
342 // Converting the plink
343 /// @TODO Check if this is really still needed
344 if ($item['network'] == NETWORK_OSTATUS) {
345 if (isset($item['plink'])) {
346 $item['plink'] = OStatus::convertHref($item['plink']);
347 } elseif (isset($item['uri'])) {
348 $item['plink'] = OStatus::convertHref($item['uri']);
352 if (x($item, 'gravity')) {
353 $item['gravity'] = intval($item['gravity']);
354 } elseif ($item['parent-uri'] === $item['uri']) {
355 $item['gravity'] = 0;
356 } elseif (activity_match($item['verb'],ACTIVITY_POST)) {
357 $item['gravity'] = 6;
359 $item['gravity'] = 6; // extensible catchall
362 $item['type'] = defaults($item, 'type', 'remote');
364 $uid = intval($item['uid']);
366 // check for create date and expire time
367 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
369 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
370 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
371 $expire_interval = $user['expire'];
374 if (($expire_interval > 0) && !empty($item['created'])) {
375 $expire_date = time() - ($expire_interval * 86400);
376 $created_date = strtotime($item['created']);
377 if ($created_date < $expire_date) {
378 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
384 * Do we already have this item?
385 * We have to check several networks since Friendica posts could be repeated
386 * via OStatus (maybe Diasporsa as well)
388 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
389 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
390 trim($item['uri']), $item['uid'],
391 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
392 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
393 if (DBM::is_result($existing)) {
394 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
396 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
399 return $existing["id"];
403 self::addLanguageInPostopts($item);
405 $item['wall'] = intval(defaults($item, 'wall', 0));
406 $item['extid'] = trim(defaults($item, 'extid', ''));
407 $item['author-name'] = trim(defaults($item, 'author-name', ''));
408 $item['author-link'] = trim(defaults($item, 'author-link', ''));
409 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
410 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
411 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
412 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
413 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
414 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
415 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
416 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
417 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
418 $item['title'] = trim(defaults($item, 'title', ''));
419 $item['location'] = trim(defaults($item, 'location', ''));
420 $item['coord'] = trim(defaults($item, 'coord', ''));
421 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
422 $item['deleted'] = 0;
423 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
424 $item['verb'] = trim(defaults($item, 'verb', ''));
425 $item['object-type'] = trim(defaults($item, 'object-type', ''));
426 $item['object'] = trim(defaults($item, 'object', ''));
427 $item['target-type'] = trim(defaults($item, 'target-type', ''));
428 $item['target'] = trim(defaults($item, 'target', ''));
429 $item['plink'] = trim(defaults($item, 'plink', ''));
430 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
431 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
432 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
433 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
434 $item['private'] = intval(defaults($item, 'private', 0));
435 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
436 $item['body'] = trim(defaults($item, 'body', ''));
437 $item['tag'] = trim(defaults($item, 'tag', ''));
438 $item['attach'] = trim(defaults($item, 'attach', ''));
439 $item['app'] = trim(defaults($item, 'app', ''));
440 $item['origin'] = intval(defaults($item, 'origin', 0));
441 $item['postopts'] = trim(defaults($item, 'postopts', ''));
442 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
443 $item['event-id'] = intval(defaults($item, 'event-id', 0));
444 $item['inform'] = trim(defaults($item, 'inform', ''));
445 $item['file'] = trim(defaults($item, 'file', ''));
447 // When there is no content then we don't post it
448 if ($item['body'].$item['title'] == '') {
452 // Items cannot be stored before they happen ...
453 if ($item['created'] > DateTimeFormat::utcNow()) {
454 $item['created'] = DateTimeFormat::utcNow();
457 // We haven't invented time travel by now.
458 if ($item['edited'] > DateTimeFormat::utcNow()) {
459 $item['edited'] = DateTimeFormat::utcNow();
462 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
463 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
466 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
468 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
469 $item["contact-id"] = self::contactId($item);
471 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0));
473 if (Contact::isBlocked($item["author-id"])) {
474 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
478 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0));
480 if (Contact::isBlocked($item["owner-id"])) {
481 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
485 if ($item['network'] == NETWORK_PHANTOM) {
486 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
487 if (!empty($contact['network'])) {
488 $item['network'] = $contact["network"];
490 $item['network'] = NETWORK_DFRN;
492 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
495 // Checking if there is already an item with the same guid
496 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
497 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
498 if (dba::exists('item', $condition)) {
499 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
503 // Check for hashtags in the body and repair or add hashtag links
504 self::setHashtags($item);
506 $item['thr-parent'] = $item['parent-uri'];
514 if ($item['parent-uri'] === $item['uri']) {
517 $allow_cid = $item['allow_cid'];
518 $allow_gid = $item['allow_gid'];
519 $deny_cid = $item['deny_cid'];
520 $deny_gid = $item['deny_gid'];
521 $notify_type = 'wall-new';
523 // find the parent and snarf the item id and ACLs
524 // and anything else we need to inherit
526 $fields = ['uri', 'parent-uri', 'id', 'deleted',
527 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
528 'wall', 'private', 'forum_mode'];
529 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
530 $params = ['order' => ['id' => false]];
531 $parent = dba::selectFirst('item', $fields, $condition, $params);
533 if (DBM::is_result($parent)) {
534 // is the new message multi-level threaded?
535 // even though we don't support it now, preserve the info
536 // and re-attach to the conversation parent.
538 if ($parent['uri'] != $parent['parent-uri']) {
539 $item['parent-uri'] = $parent['parent-uri'];
541 $condition = ['uri' => $item['parent-uri'],
542 'parent-uri' => $item['parent-uri'],
543 'uid' => $item['uid']];
544 $params = ['order' => ['id' => false]];
545 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
547 if (DBM::is_result($toplevel_parent)) {
548 $parent = $toplevel_parent;
552 $parent_id = $parent['id'];
553 $parent_deleted = $parent['deleted'];
554 $allow_cid = $parent['allow_cid'];
555 $allow_gid = $parent['allow_gid'];
556 $deny_cid = $parent['deny_cid'];
557 $deny_gid = $parent['deny_gid'];
558 $item['wall'] = $parent['wall'];
559 $notify_type = 'comment-new';
562 * If the parent is private, force privacy for the entire conversation
563 * This differs from the above settings as it subtly allows comments from
564 * email correspondents to be private even if the overall thread is not.
566 if ($parent['private']) {
567 $item['private'] = $parent['private'];
571 * Edge case. We host a public forum that was originally posted to privately.
572 * The original author commented, but as this is a comment, the permissions
573 * weren't fixed up so it will still show the comment as private unless we fix it here.
575 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
576 $item['private'] = 0;
579 // If its a post from myself then tag the thread as "mention"
580 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
581 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
582 if (DBM::is_result($user)) {
583 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
584 logger("'myself' is ".$self." for parent ".$parent_id." checking against ".$item['author-link']." and ".$item['owner-link'], LOGGER_DEBUG);
585 if ((normalise_link($item['author-link']) == $self) || (normalise_link($item['owner-link']) == $self)) {
586 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
587 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
592 * Allow one to see reply tweets from status.net even when
593 * we don't have or can't see the original post.
596 logger('$force_parent=true, reply converted to top-level post.');
598 $item['parent-uri'] = $item['uri'];
599 $item['gravity'] = 0;
601 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
609 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
610 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
611 if (dba::exists('item', $condition)) {
612 logger('duplicated item with the same uri found. '.print_r($item,true));
616 // On Friendica and Diaspora the GUID is unique
617 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
618 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
619 if (dba::exists('item', $condition)) {
620 logger('duplicated item with the same guid found. '.print_r($item,true));
624 // Check for an existing post with the same content. There seems to be a problem with OStatus.
625 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
626 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
627 if (dba::exists('item', $condition)) {
628 logger('duplicated item with the same body found. '.print_r($item,true));
633 // Is this item available in the global items (with uid=0)?
634 if ($item["uid"] == 0) {
635 $item["global"] = true;
637 // Set the global flag on all items if this was a global item entry
638 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
640 $item["global"] = dba::exists('item', ['uid' => 0, 'uri' => $item["uri"]]);
644 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
647 $private = $item['private'];
650 $item["allow_cid"] = $allow_cid;
651 $item["allow_gid"] = $allow_gid;
652 $item["deny_cid"] = $deny_cid;
653 $item["deny_gid"] = $deny_gid;
654 $item["private"] = $private;
655 $item["deleted"] = $parent_deleted;
657 // Fill the cache field
658 put_item_in_cache($item);
661 Addon::callHooks('post_local', $item);
663 Addon::callHooks('post_remote', $item);
666 // This array field is used to trigger some automatic reactions
667 // It is mainly used in the "post_local" hook.
668 unset($item['api_source']);
670 if (x($item, 'cancel')) {
671 logger('post cancelled by addon.');
676 * Check for already added items.
677 * There is a timing issue here that sometimes creates double postings.
678 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
680 if ($item["uid"] == 0) {
681 if (dba::exists('item', ['uri' => trim($item['uri']), 'uid' => 0])) {
682 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
687 logger('' . print_r($item,true), LOGGER_DATA);
690 $ret = dba::insert('item', $item);
692 // When the item was successfully stored we fetch the ID of the item.
693 if (DBM::is_result($ret)) {
694 $current_post = dba::lastInsertId();
696 // This can happen - for example - if there are locking timeouts.
699 // Store the data into a spool file so that we can try again later.
701 // At first we restore the Diaspora signature that we removed above.
702 if (isset($encoded_signature)) {
703 $item['dsprsig'] = $encoded_signature;
706 // Now we store the data in the spool directory
707 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
708 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
710 $spoolpath = get_spoolpath();
711 if ($spoolpath != "") {
712 $spool = $spoolpath.'/'.$file;
713 file_put_contents($spool, json_encode($item));
714 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
719 if ($current_post == 0) {
720 // This is one of these error messages that never should occur.
721 logger("couldn't find created item - we better quit now.");
726 // How much entries have we created?
727 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
728 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
731 // There are duplicates. We delete our just created entry.
732 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
734 // Yes, we could do a rollback here - but we are having many users with MyISAM.
735 dba::delete('item', ['id' => $current_post]);
738 } elseif ($entries == 0) {
739 // This really should never happen since we quit earlier if there were problems.
740 logger("Something is terribly wrong. We haven't found our created entry.");
745 logger('created item '.$current_post);
746 self::updateContact($item);
748 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
749 $parent_id = $current_post;
753 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
755 $item['id'] = $current_post;
756 $item['parent'] = $parent_id;
758 // update the commented timestamp on the parent
759 // Only update "commented" if it is really a comment
760 if (($item['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
761 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
763 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
768 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
769 * We can check for this condition when we decode and encode the stuff again.
771 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
772 $dsprsig->signature = base64_decode($dsprsig->signature);
773 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
776 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
777 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
780 $deleted = self::tagDeliver($item['uid'], $current_post);
783 * current post can be deleted if is for a community page and no mention are
786 if (!$deleted && !$dontcache) {
787 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
788 if (DBM::is_result($posted_item)) {
790 Addon::callHooks('post_local_end', $posted_item);
792 Addon::callHooks('post_remote_end', $posted_item);
795 logger('new item not found in DB, id ' . $current_post);
799 if ($item['parent-uri'] === $item['uri']) {
800 self::addThread($current_post);
802 self::updateThread($parent_id);
808 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
809 * This is not perfect - but a workable solution until we found the reason for the problem.
811 Term::insertFromTagFieldByItemId($current_post);
812 Term::insertFromFileFieldByItemId($current_post);
814 if ($item['parent-uri'] === $item['uri']) {
815 self::addShadow($current_post);
817 self::addShadowPost($current_post);
820 check_user_notification($current_post);
823 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
826 return $current_post;
830 * @brief Add a shadow entry for a given item id that is a thread starter
832 * We store every public item entry additionally with the user id "0".
833 * This is used for the community page and for the search.
834 * It is planned that in the future we will store public item entries only once.
836 * @param integer $itemid Item ID that should be added
838 public static function addShadow($itemid)
840 $fields = ['uid', 'wall', 'private', 'moderated', 'visible', 'contact-id', 'deleted', 'network', 'author-id', 'owner-id'];
841 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
842 $item = dba::selectFirst('item', $fields, $condition);
844 if (!DBM::is_result($item)) {
848 // is it already a copy?
849 if (($itemid == 0) || ($item['uid'] == 0)) {
853 // Is it a visible public post?
854 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
858 // is it an entry from a connector? Only add an entry for natively connected networks
859 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
863 // Only do these checks if the post isn't a wall post
864 if (!$item["wall"]) {
865 // Check, if hide-friends is activated - then don't do a shadow entry
866 if (dba::exists('profile', ['is-default' => true, 'uid' => $item['uid'], 'hide-friends' => true])) {
870 // Check if the contact is hidden or blocked
871 if (!dba::exists('contact', ['hidden' => false, 'blocked' => false, 'id' => $item['contact-id']])) {
876 // Only add a shadow, if the profile isn't hidden
877 if (dba::exists('user', ['uid' => $item['uid'], 'hidewall' => true])) {
881 $item = dba::selectFirst('item', [], ['id' => $itemid]);
883 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
884 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
886 if (!dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
887 // Preparing public shadow (removing user specific data)
892 $item['contact-id'] = Contact::getIdForURL($item['author-link'], 0);
894 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
895 $item['type'] = 'remote-comment';
896 } elseif ($item['type'] == 'wall') {
897 $item['type'] = 'remote';
900 $public_shadow = self::insert($item, false, false, true);
902 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
908 * @brief Add a shadow entry for a given item id that is a comment
910 * This function does the same like the function above - but for comments
912 * @param integer $itemid Item ID that should be added
914 public static function addShadowPost($itemid)
916 $item = dba::selectFirst('item', [], ['id' => $itemid]);
917 if (!DBM::is_result($item)) {
921 // Is it a toplevel post?
922 if ($item['id'] == $item['parent']) {
923 self::addShadow($itemid);
927 // Is this a shadow entry?
928 if ($item['uid'] == 0)
931 // Is there a shadow parent?
932 if (!dba::exists('item', ['uri' => $item['parent-uri'], 'uid' => 0])) {
936 // Is there already a shadow entry?
937 if (dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
941 // Preparing public shadow (removing user specific data)
946 $item['contact-id'] = Contact::getIdForURL($item['author-link'], 0);
948 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
949 $item['type'] = 'remote-comment';
950 } elseif ($item['type'] == 'wall') {
951 $item['type'] = 'remote';
954 $public_shadow = self::insert($item, false, false, true);
956 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
960 * Adds a "lang" specification in a "postopts" element of given $arr,
961 * if possible and not already present.
962 * Expects "body" element to exist in $arr.
964 private static function addLanguageInPostopts(&$arr)
966 if (x($arr, 'postopts')) {
967 if (strstr($arr['postopts'], 'lang=')) {
971 $postopts = $arr['postopts'];
976 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
977 $l = new Text_LanguageDetect();
978 $lng = $l->detect($naked_body, 3);
980 if (sizeof($lng) > 0) {
981 if ($postopts != "") {
982 $postopts .= '&'; // arbitrary separator, to be reviewed
985 $postopts .= 'lang=';
988 foreach ($lng as $language => $score) {
989 $postopts .= $sep . $language . ";" . $score;
992 $arr['postopts'] = $postopts;
997 * @brief Creates an unique guid out of a given uri
999 * @param string $uri uri of an item entry
1000 * @param string $host hostname for the GUID prefix
1001 * @return string unique guid
1003 public static function guidFromUri($uri, $host)
1005 // Our regular guid routine is using this kind of prefix as well
1006 // We have to avoid that different routines could accidentally create the same value
1007 $parsed = parse_url($uri);
1009 // We use a hash of the hostname as prefix for the guid
1010 $guid_prefix = hash("crc32", $host);
1012 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1013 unset($parsed["scheme"]);
1015 // Glue it together to be able to make a hash from it
1016 $host_id = implode("/", $parsed);
1018 // We could use any hash algorithm since it isn't a security issue
1019 $host_hash = hash("ripemd128", $host_id);
1021 return $guid_prefix.$host_hash;
1025 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1027 * This can be used to filter for inactive contacts.
1028 * Only do this for public postings to avoid privacy problems, since poco data is public.
1029 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1031 * @param array $arr Contains the just posted item record
1033 private static function updateContact($arr)
1035 // Unarchive the author
1036 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1037 if (DBM::is_result($contact)) {
1038 Contact::unmarkForArchival($contact);
1041 // Unarchive the contact if it's not our own contact
1042 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1043 if (DBM::is_result($contact)) {
1044 Contact::unmarkForArchival($contact);
1047 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1049 // Is it a forum? Then we don't care about the rules from above
1050 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1051 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1057 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1058 ['id' => $arr['contact-id']]);
1060 // Now do the same for the system wide contacts with uid=0
1061 if (!$arr['private']) {
1062 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1063 ['id' => $arr['owner-id']]);
1065 if ($arr['owner-id'] != $arr['author-id']) {
1066 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1067 ['id' => $arr['author-id']]);
1072 private static function setHashtags(&$item)
1075 $tags = get_tags($item["body"]);
1078 if (!count($tags)) {
1082 // This sorting is important when there are hashtags that are part of other hashtags
1083 // Otherwise there could be problems with hashtags like #test and #test2
1086 $URLSearchString = "^\[\]";
1088 // All hashtags should point to the home server if "local_tags" is activated
1089 if (Config::get('system', 'local_tags')) {
1090 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1091 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1093 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1094 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1097 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1098 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1100 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1103 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1105 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1108 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1110 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1113 // Repair recursive urls
1114 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1115 "#$2", $item["body"]);
1117 foreach ($tags as $tag) {
1118 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1122 $basetag = str_replace('_',' ',substr($tag,1));
1124 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1126 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1128 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1129 if (strlen($item["tag"])) {
1130 $item["tag"] = ','.$item["tag"];
1132 $item["tag"] = $newtag.$item["tag"];
1136 // Convert back the masked hashtags
1137 $item["body"] = str_replace("#", "#", $item["body"]);
1140 public static function getGuidById($id)
1142 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
1143 if (DBM::is_result($item)) {
1144 return $item['guid'];
1150 public static function getIdAndNickByGuid($guid, $uid = 0)
1156 $uid == local_user();
1159 // Does the given user have this item?
1161 $items = dba::p("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1162 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1163 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1164 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
1165 if ($item = dba::fetch($items)) {
1167 $nick = $item["nickname"];
1171 // Or is it anywhere on the server?
1173 $items = dba::p("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1174 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1175 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1176 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1177 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1178 AND NOT `item`.`private` AND `item`.`wall`
1179 AND `item`.`guid` = ?", $guid);
1180 if ($item = dba::fetch($items)) {
1182 $nick = $item["nickname"];
1185 return ["nick" => $nick, "id" => $id];
1189 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1191 * @param int $item_id
1192 * @return bool true if item was deleted, else false
1194 private static function tagDeliver($uid, $item_id)
1198 $user = dba::selectFirst('user', [], ['uid' => $uid]);
1199 if (!DBM::is_result($user)) {
1203 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
1204 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
1206 $item = dba::selectFirst('item', [], ['id' => $item_id]);
1207 if (!DBM::is_result($item)) {
1211 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1214 * Diaspora uses their own hardwired link URL in @-tags
1215 * instead of the one we supply with webfinger
1217 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
1219 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1221 foreach ($matches as $mtch) {
1222 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1224 logger('mention found: ' . $mtch[2]);
1230 if (($community_page || $prvgroup) &&
1231 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
1232 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1234 logger("no-mention top-level post to community or private group. delete.");
1235 dba::delete('item', ['id' => $item_id]);
1241 $arr = ['item' => $item, 'user' => $user];
1243 Addon::callHooks('tagged', $arr);
1245 if (!$community_page && !$prvgroup) {
1250 * tgroup delivery - setup a second delivery chain
1251 * prevent delivery looping - only proceed
1252 * if the message originated elsewhere and is a top-level post
1254 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1258 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1259 $self = dba::selectFirst('contact', ['name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1260 if (!DBM::is_result($self)) {
1264 // also reset all the privacy bits to the forum default permissions
1266 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
1268 $forum_mode = ($prvgroup ? 2 : 1);
1270 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode,
1271 'owner-name' => $self['name'], 'owner-link' => $self['url'], 'owner-avatar' => $self['thumb'],
1272 'private' => $private, 'allow_cid' => $user['allow_cid'], 'allow_gid' => $user['allow_gid'],
1273 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
1274 dba::update('item', $fields, ['id' => $item_id]);
1276 self::updateThread($item_id);
1278 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
1281 public static function isRemoteSelf($contact, &$datarray)
1285 if (!$contact['remote_self']) {
1289 // Prevent the forwarding of posts that are forwarded
1290 if ($datarray["extid"] == NETWORK_DFRN) {
1294 // Prevent to forward already forwarded posts
1295 if ($datarray["app"] == $a->get_hostname()) {
1299 // Only forward posts
1300 if ($datarray["verb"] != ACTIVITY_POST) {
1304 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1308 $datarray2 = $datarray;
1309 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1310 if ($contact['remote_self'] == 2) {
1311 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
1312 ['uid' => $contact['uid'], 'self' => true]);
1313 if (DBM::is_result($self)) {
1314 $datarray['contact-id'] = $self["id"];
1316 $datarray['owner-name'] = $self["name"];
1317 $datarray['owner-link'] = $self["url"];
1318 $datarray['owner-avatar'] = $self["thumb"];
1320 $datarray['author-name'] = $datarray['owner-name'];
1321 $datarray['author-link'] = $datarray['owner-link'];
1322 $datarray['author-avatar'] = $datarray['owner-avatar'];
1324 unset($datarray['created']);
1325 unset($datarray['edited']);
1328 if ($contact['network'] != NETWORK_FEED) {
1329 $datarray["guid"] = get_guid(32);
1330 unset($datarray["plink"]);
1331 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1332 $datarray["parent-uri"] = $datarray["uri"];
1333 $datarray["extid"] = $contact['network'];
1334 $urlpart = parse_url($datarray2['author-link']);
1335 $datarray["app"] = $urlpart["host"];
1337 $datarray['private'] = 0;
1341 if ($contact['network'] != NETWORK_FEED) {
1342 // Store the original post
1343 $r = self::insert($datarray2, false, false);
1344 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1346 $datarray["app"] = "Feed";
1349 // Trigger automatic reactions for addons
1350 $datarray['api_source'] = true;
1352 // We have to tell the hooks who we are - this really should be improved
1353 $_SESSION["authenticated"] = true;
1354 $_SESSION["uid"] = $contact['uid'];
1363 * @param array $item
1367 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
1369 if (Config::get('system', 'disable_embedded')) {
1373 logger('check for photos', LOGGER_DEBUG);
1374 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
1379 $img_start = strpos($orig_body, '[img');
1380 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1381 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1383 while (($img_st_close !== false) && ($img_len !== false)) {
1384 $img_st_close++; // make it point to AFTER the closing bracket
1385 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1387 logger('found photo ' . $image, LOGGER_DEBUG);
1389 if (stristr($image, $site . '/photo/')) {
1390 // Only embed locally hosted photos
1392 $i = basename($image);
1393 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
1394 $x = strpos($i, '-');
1397 $res = substr($i, $x + 1);
1398 $i = substr($i, 0, $x);
1399 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
1400 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
1401 if (DBM::is_result($photo)) {
1403 * Check to see if we should replace this photo link with an embedded image
1404 * 1. No need to do so if the photo is public
1405 * 2. If there's a contact-id provided, see if they're in the access list
1406 * for the photo. If so, embed it.
1407 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1408 * permissions, regardless of order but first check to see if they're an exact
1409 * match to save some processing overhead.
1411 if (self::hasPermissions($photo)) {
1413 $recips = self::enumeratePermissions($photo);
1414 if (in_array($cid, $recips)) {
1418 if (self::samePermissions($item, $photo)) {
1424 $data = $photo['data'];
1425 $type = $photo['type'];
1427 // If a custom width and height were specified, apply before embedding
1428 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1429 logger('scaling photo', LOGGER_DEBUG);
1431 $width = intval($match[1]);
1432 $height = intval($match[2]);
1434 $Image = new Image($data, $type);
1435 if ($Image->isValid()) {
1436 $Image->scaleDown(max($width, $height));
1437 $data = $Image->asString();
1438 $type = $Image->getType();
1442 logger('replacing photo', LOGGER_DEBUG);
1443 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1444 logger('replaced: ' . $image, LOGGER_DATA);
1450 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1451 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1452 if ($orig_body === false) {
1456 $img_start = strpos($orig_body, '[img');
1457 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1458 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1461 $new_body = $new_body . $orig_body;
1466 private static function hasPermissions($obj)
1470 x($obj, 'allow_cid')
1472 x($obj, 'allow_gid')
1481 private static function samePermissions($obj1, $obj2)
1483 // first part is easy. Check that these are exactly the same.
1484 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1485 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1486 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1487 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1491 // This is harder. Parse all the permissions and compare the resulting set.
1492 $recipients1 = self::enumeratePermissions($obj1);
1493 $recipients2 = self::enumeratePermissions($obj2);
1497 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1498 return ($recipients1 == $recipients2);
1501 // returns an array of contact-ids that are allowed to see this object
1502 private static function enumeratePermissions($obj)
1504 $allow_people = expand_acl($obj['allow_cid']);
1505 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
1506 $deny_people = expand_acl($obj['deny_cid']);
1507 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
1508 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1509 $deny = array_unique(array_merge($deny_people, $deny_groups));
1510 $recipients = array_diff($recipients, $deny);
1514 public static function getFeedTags($item)
1518 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1520 for ($x = 0; $x < $cnt; $x ++) {
1521 if ($matches[1][$x]) {
1522 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
1527 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1529 for ($x = 0; $x < $cnt; $x ++) {
1530 if ($matches[1][$x]) {
1531 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
1538 public static function expire($uid, $days, $network = "", $force = false)
1540 if (!$uid || ($days < 1)) {
1545 * $expire_network_only = save your own wall posts
1546 * and just expire conversations started by others
1548 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
1549 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
1551 if ($network != "") {
1552 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
1555 * There is an index "uid_network_received" but not "uid_network_created"
1556 * This avoids the creation of another index just for one purpose.
1557 * And it doesn't really matter wether to look at "received" or "created"
1559 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
1561 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
1564 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
1565 WHERE `uid` = %d $range
1573 if (!DBM::is_result($r)) {
1577 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
1579 // Forcing expiring of items - but not notes and marked items
1581 $expire_items = true;
1584 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
1585 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
1586 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
1588 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
1590 foreach ($r as $item) {
1592 // don't expire filed items
1594 if (strpos($item['file'],'[') !== false) {
1598 // Only expire posts, not photos and photo comments
1600 if ($expire_photos == 0 && strlen($item['resource-id'])) {
1602 } elseif ($expire_starred == 0 && intval($item['starred'])) {
1604 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
1606 } elseif ($expire_items == 0 && $item['type'] != 'note') {
1610 self::deleteById($item['id'], PRIORITY_LOW);
1614 public static function firstPostDate($uid, $wall = false)
1616 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
1617 $params = ['order' => ['created' => false]];
1618 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
1619 if (DBM::is_result($thread)) {
1620 return substr(DateTimeFormat::local($thread['created']), 0, 10);
1626 * @brief add/remove activity to an item
1628 * Toggle activities as like,dislike,attend of an item
1630 * @param string $item_id
1631 * @param string $verb
1632 * Activity verb. One of
1633 * like, unlike, dislike, undislike, attendyes, unattendyes,
1634 * attendno, unattendno, attendmaybe, unattendmaybe
1635 * @hook 'post_local_end'
1637 * 'post_id' => ID of posted item
1639 public static function performLike($item_id, $verb)
1641 if (!local_user() && !remote_user()) {
1648 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
1649 $activity = ACTIVITY_LIKE;
1653 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
1654 $activity = ACTIVITY_DISLIKE;
1658 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
1659 $activity = ACTIVITY_ATTEND;
1663 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
1664 $activity = ACTIVITY_ATTENDNO;
1667 case 'unattendmaybe':
1668 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
1669 $activity = ACTIVITY_ATTENDMAYBE;
1672 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
1676 // Enable activity toggling instead of on/off
1677 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
1679 logger('like: verb ' . $verb . ' item ' . $item_id);
1681 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
1682 if (!DBM::is_result($item)) {
1683 logger('like: unknown item ' . $item_id);
1687 $uid = $item['uid'];
1688 if (($uid == 0) && local_user()) {
1689 $uid = local_user();
1692 if (!can_write_wall($uid)) {
1693 logger('like: unable to write on wall ' . $uid);
1697 // Retrieves the local post owner
1698 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
1699 if (!DBM::is_result($owner_self_contact)) {
1700 logger('like: unknown owner ' . $uid);
1704 // Retrieve the current logged in user's public contact
1705 $author_id = public_contact();
1707 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
1708 if (!DBM::is_result($author_contact)) {
1709 logger('like: unknown author ' . $author_id);
1713 // Contact-id is the uid-dependant author contact
1714 if (local_user() == $uid) {
1715 $item_contact_id = $owner_self_contact['id'];
1716 $item_contact = $owner_self_contact;
1718 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid);
1719 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
1720 if (!DBM::is_result($item_contact)) {
1721 logger('like: unknown item contact ' . $item_contact_id);
1726 // Look for an existing verb row
1727 // event participation are essentially radio toggles. If you make a subsequent choice,
1728 // we need to eradicate your first choice.
1729 if ($event_verb_flag) {
1730 $verbs = "'" . dbesc(ACTIVITY_ATTEND) . "', '" . dbesc(ACTIVITY_ATTENDNO) . "', '" . dbesc(ACTIVITY_ATTENDMAYBE) . "'";
1732 $verbs = "'".dbesc($activity)."'";
1735 /// @todo This query is expected to be a performance eater due to the "OR" - it has to be changed totally
1736 $existing_like = q("SELECT `id`, `guid`, `verb` FROM `item`
1737 WHERE `verb` IN ($verbs)
1739 AND `author-id` = %d
1741 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s')
1743 intval($author_contact['id']),
1744 intval($item['uid']),
1745 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
1748 // If it exists, mark it as deleted
1749 if (DBM::is_result($existing_like)) {
1750 $like_item = $existing_like[0];
1752 // Already voted, undo it
1753 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
1754 dba::update('item', $fields, ['id' => $like_item['id']]);
1756 // Clean up the Diaspora signatures for this like
1757 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
1758 // if it had been enabled in the past
1759 dba::delete('sign', ['iid' => $like_item['id']]);
1761 $like_item_id = $like_item['id'];
1762 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
1764 if (!$event_verb_flag || $like_item['verb'] == $activity) {
1769 // Verb is "un-something", just trying to delete existing entries
1770 if (strpos($verb, 'un') === 0) {
1774 // Else or if event verb different from existing row, create a new item row
1775 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
1776 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
1777 $post_type = L10n::t('event');
1779 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
1780 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
1781 $body = $item['body'];
1786 <type>$objtype</type>
1788 <id>{$item['uri']}</id>
1791 <content>$body</content>
1795 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
1796 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
1797 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
1800 'guid' => get_guid(32),
1801 'uri' => item_new_uri(self::getApp()->get_hostname(), $item['uid']),
1802 'uid' => $item['uid'],
1803 'contact-id' => $item_contact_id,
1804 'type' => 'activity',
1805 'wall' => $item['wall'],
1807 'gravity' => GRAVITY_LIKE,
1808 'parent' => $item['id'],
1809 'parent-uri' => $item['uri'],
1810 'thr-parent' => $item['uri'],
1811 'owner-id' => $item['owner-id'],
1812 'owner-name' => $item['owner-name'],
1813 'owner-link' => $item['owner-link'],
1814 'owner-avatar' => $item['owner-avatar'],
1815 'author-id' => $author_contact['id'],
1816 'author-name' => $author_contact['name'],
1817 'author-link' => $author_contact['url'],
1818 'author-avatar' => $author_contact['thumb'],
1819 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
1820 'verb' => $activity,
1821 'object-type' => $objtype,
1823 'allow_cid' => $item['allow_cid'],
1824 'allow_gid' => $item['allow_gid'],
1825 'deny_cid' => $item['deny_cid'],
1826 'deny_gid' => $item['deny_gid'],
1831 $new_item_id = self::insert($new_item);
1833 // If the parent item isn't visible then set it to visible
1834 if (!$item['visible']) {
1835 self::update(['visible' => true], ['id' => $item['id']]);
1838 // Save the author information for the like in case we need to relay to Diaspora
1839 Diaspora::storeLikeSignature($item_contact, $new_item_id);
1841 $new_item['id'] = $new_item_id;
1843 Addon::callHooks('post_local_end', $new_item);
1845 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
1850 private static function addThread($itemid, $onlyshadow = false)
1852 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
1853 'moderated', 'visible', 'spam', 'starred', 'bookmark', 'contact-id',
1854 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
1855 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
1856 $item = dba::selectFirst('item', $fields, $condition);
1858 if (!DBM::is_result($item)) {
1862 $item['iid'] = $itemid;
1865 $result = dba::insert('thread', $item);
1867 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
1871 private static function updateThread($itemid, $setmention = false)
1873 $fields = ['uid', 'guid', 'title', 'body', 'created', 'edited', 'commented', 'received', 'changed',
1874 'wall', 'private', 'pubmail', 'moderated', 'visible', 'spam', 'starred', 'bookmark', 'contact-id',
1875 'deleted', 'origin', 'forum_mode', 'network', 'rendered-html', 'rendered-hash'];
1876 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
1878 $item = dba::selectFirst('item', $fields, $condition);
1879 if (!DBM::is_result($item)) {
1884 $item["mention"] = 1;
1891 foreach ($item as $field => $data) {
1892 if (!in_array($field, ["guid", "title", "body", "rendered-html", "rendered-hash"])) {
1893 $fields[$field] = $data;
1897 $result = dba::update('thread', $fields, ['iid' => $itemid]);
1899 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result." ".print_r($item, true), LOGGER_DEBUG);
1901 // Updating a shadow item entry
1902 $items = dba::selectFirst('item', ['id'], ['guid' => $item['guid'], 'uid' => 0]);
1904 if (!DBM::is_result($items)) {
1908 $fields = ['title' => $item['title'], 'body' => $item['body'],
1909 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
1910 $result = dba::update('item', $fields, ['id' => $items['id']]);
1912 logger("Updating public shadow for post ".$items["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
1915 private static function deleteThread($itemid, $itemuri = "")
1917 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
1918 if (!DBM::is_result($item)) {
1919 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
1923 // Using dba::delete at this time could delete the associated item entries
1924 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
1926 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
1928 if ($itemuri != "") {
1929 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
1930 if (!dba::exists('item', $condition)) {
1931 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
1932 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);