4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\Core\Addon;
10 use Friendica\Core\Config;
11 use Friendica\Core\PConfig;
12 use Friendica\Core\Worker;
13 use Friendica\Core\System;
14 use Friendica\Model\Contact;
15 use Friendica\Model\Conversation;
16 use Friendica\Model\GContact;
17 use Friendica\Model\Group;
18 use Friendica\Model\Term;
19 use Friendica\Model\User;
20 use Friendica\Database\DBM;
21 use Friendica\Protocol\OStatus;
23 use Text_LanguageDetect;
25 require_once 'include/tags.php';
26 require_once 'include/threads.php';
27 require_once 'include/items.php';
28 require_once 'include/text.php';
33 * @brief Update existing item entries
35 * @param array $fields The fields that are to be changed
36 * @param array $condition The condition for finding the item entries
38 * In the future we may have to change permissions as well.
39 * Then we had to add the user id as third parameter.
41 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
43 * @return integer|boolean number of affected rows - or "false" if there was an error
45 public static function update(array $fields, array $condition)
47 if (empty($condition) || empty($fields)) {
51 $success = dba::update('item', $fields, $condition);
57 $rows = dba::affected_rows();
59 // We cannot simply expand the condition to check for origin entries
60 // The condition needn't to be a simple array but could be a complex condition.
61 $items = dba::select('item', ['id', 'origin'], $condition);
62 while ($item = dba::fetch($items)) {
63 // We only need to notfiy others when it is an original entry from us
64 if (!$item['origin']) {
68 create_tags_from_item($item['id']);
69 Term::createFromItem($item['id']);
70 update_thread($item['id']);
72 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
79 * @brief Delete an item and notify others about it - if it was ours
81 * @param integer $item_id Item ID that should be delete
83 * @return $boolean success
85 public static function delete($item_id, $priority = PRIORITY_HIGH)
87 // locate item to be deleted
88 $fields = ['id', 'uid', 'parent', 'parent-uri', 'origin', 'deleted', 'file', 'resource-id', 'event-id', 'attach'];
89 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
90 if (!DBM::is_result($item)) {
94 if ($item['deleted']) {
98 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
99 if (!DBM::is_result($parent)) {
100 $parent = ['origin' => false];
103 logger('delete item: ' . $item['id'], LOGGER_DEBUG);
105 // clean up categories and tags so they don't end up as orphans
108 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
110 foreach ($matches as $mtch) {
111 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
117 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
119 foreach ($matches as $mtch) {
120 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
125 * If item is a link to a photo resource, nuke all the associated photos
126 * (visitors will not have photo resources)
127 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
128 * generate a resource-id and therefore aren't intimately linked to the item.
130 if (strlen($item['resource-id'])) {
131 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
134 // If item is a link to an event, nuke the event record.
135 if (intval($item['event-id'])) {
136 dba::delete('event', ['id' => $item['event-id'], 'uid' => $item['uid']]);
139 // If item has attachments, drop them
140 foreach (explode(", ", $item['attach']) as $attach) {
141 preg_match("|attach/(\d+)|", $attach, $matches);
142 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
145 // Set the item to "deleted"
146 dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
147 'edited' => datetime_convert(), 'changed' => datetime_convert()],
148 ['id' => $item['id']]);
150 create_tags_from_item($item['id']);
151 Term::createFromItem($item['id']);
152 delete_thread($item['id'], $item['parent-uri']);
154 // If it's the parent of a comment thread, kill all the kids
155 if ($item['id'] == $item['parent']) {
156 $items = dba::select('item', ['id'], ['parent' => $item['parent']]);
157 while ($row = dba::fetch($items)) {
158 self::delete($row['id'], $priority);
162 // send the notification upstream/downstream
163 if ($item['origin'] || $parent['origin']) {
164 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
170 public static function insert($arr, $force_parent = false, $notify = false, $dontcache = false)
174 // If it is a posting where users should get notifications, then define it as wall posting
177 $arr['type'] = 'wall';
179 $arr['network'] = NETWORK_DFRN;
180 $arr['protocol'] = PROTOCOL_DFRN;
182 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
183 // In difference to the call to "self::guidFromUri" several lines below we add the hash of our own host.
184 // This is done because our host is the original creator of the post.
185 if (!isset($arr['guid'])) {
186 if (isset($arr['plink'])) {
187 $arr['guid'] = self::guidFromUri($arr['plink'], $a->get_hostname());
188 } elseif (isset($arr['uri'])) {
189 $arr['guid'] = self::guidFromUri($arr['uri'], $a->get_hostname());
193 $arr['network'] = trim(defaults($arr, 'network', NETWORK_PHANTOM));
198 } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
199 $arr['guid'] = self::guidFromUri($arr['plink']);
200 } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
201 $arr['guid'] = self::guidFromUri($arr['uri']);
203 $parsed = parse_url($arr["author-link"]);
204 $guid_prefix = hash("crc32", $parsed["host"]);
207 $arr['guid'] = notags(trim(defaults($arr, 'guid', get_guid(32, $guid_prefix))));
208 $arr['uri'] = notags(trim(defaults($arr, 'uri', item_new_uri($a->get_hostname(), $uid, $arr['guid']))));
210 // Store conversation data
211 $arr = Conversation::insert($arr);
214 * If a Diaspora signature structure was passed in, pull it out of the
215 * item array and set it aside for later storage.
219 if (x($arr, 'dsprsig')) {
220 $encoded_signature = $arr['dsprsig'];
221 $dsprsig = json_decode(base64_decode($arr['dsprsig']));
222 unset($arr['dsprsig']);
225 // Converting the plink
226 /// @TODO Check if this is really still needed
227 if ($arr['network'] == NETWORK_OSTATUS) {
228 if (isset($arr['plink'])) {
229 $arr['plink'] = OStatus::convertHref($arr['plink']);
230 } elseif (isset($arr['uri'])) {
231 $arr['plink'] = OStatus::convertHref($arr['uri']);
235 if (x($arr, 'gravity')) {
236 $arr['gravity'] = intval($arr['gravity']);
237 } elseif ($arr['parent-uri'] === $arr['uri']) {
239 } elseif (activity_match($arr['verb'],ACTIVITY_POST)) {
242 $arr['gravity'] = 6; // extensible catchall
245 $arr['type'] = defaults($arr, 'type', 'remote');
247 $uid = intval($arr['uid']);
249 // check for create date and expire time
250 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
252 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
253 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
254 $expire_interval = $user['expire'];
257 if (($expire_interval > 0) && !empty($arr['created'])) {
258 $expire_date = time() - ($expire_interval * 86400);
259 $created_date = strtotime($arr['created']);
260 if ($created_date < $expire_date) {
261 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
267 * Do we already have this item?
268 * We have to check several networks since Friendica posts could be repeated
269 * via OStatus (maybe Diasporsa as well)
271 if (in_array($arr['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
272 $r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
273 dbesc(trim($arr['uri'])),
275 dbesc(NETWORK_DIASPORA),
277 dbesc(NETWORK_OSTATUS)
279 if (DBM::is_result($r)) {
280 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
282 logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
289 self::addLanguageInPostopts($arr);
291 $arr['wall'] = intval(defaults($arr, 'wall', 0));
292 $arr['extid'] = trim(defaults($arr, 'extid', ''));
293 $arr['author-name'] = trim(defaults($arr, 'author-name', ''));
294 $arr['author-link'] = trim(defaults($arr, 'author-link', ''));
295 $arr['author-avatar'] = trim(defaults($arr, 'author-avatar', ''));
296 $arr['owner-name'] = trim(defaults($arr, 'owner-name', ''));
297 $arr['owner-link'] = trim(defaults($arr, 'owner-link', ''));
298 $arr['owner-avatar'] = trim(defaults($arr, 'owner-avatar', ''));
299 $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
300 $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
301 $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
302 $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
303 $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
304 $arr['title'] = trim(defaults($arr, 'title', ''));
305 $arr['location'] = trim(defaults($arr, 'location', ''));
306 $arr['coord'] = trim(defaults($arr, 'coord', ''));
307 $arr['visible'] = ((x($arr, 'visible') !== false) ? intval($arr['visible']) : 1);
309 $arr['parent-uri'] = trim(defaults($arr, 'parent-uri', $arr['uri']));
310 $arr['verb'] = trim(defaults($arr, 'verb', ''));
311 $arr['object-type'] = trim(defaults($arr, 'object-type', ''));
312 $arr['object'] = trim(defaults($arr, 'object', ''));
313 $arr['target-type'] = trim(defaults($arr, 'target-type', ''));
314 $arr['target'] = trim(defaults($arr, 'target', ''));
315 $arr['plink'] = trim(defaults($arr, 'plink', ''));
316 $arr['allow_cid'] = trim(defaults($arr, 'allow_cid', ''));
317 $arr['allow_gid'] = trim(defaults($arr, 'allow_gid', ''));
318 $arr['deny_cid'] = trim(defaults($arr, 'deny_cid', ''));
319 $arr['deny_gid'] = trim(defaults($arr, 'deny_gid', ''));
320 $arr['private'] = intval(defaults($arr, 'private', 0));
321 $arr['bookmark'] = intval(defaults($arr, 'bookmark', 0));
322 $arr['body'] = trim(defaults($arr, 'body', ''));
323 $arr['tag'] = trim(defaults($arr, 'tag', ''));
324 $arr['attach'] = trim(defaults($arr, 'attach', ''));
325 $arr['app'] = trim(defaults($arr, 'app', ''));
326 $arr['origin'] = intval(defaults($arr, 'origin', 0));
327 $arr['postopts'] = trim(defaults($arr, 'postopts', ''));
328 $arr['resource-id'] = trim(defaults($arr, 'resource-id', ''));
329 $arr['event-id'] = intval(defaults($arr, 'event-id', 0));
330 $arr['inform'] = trim(defaults($arr, 'inform', ''));
331 $arr['file'] = trim(defaults($arr, 'file', ''));
333 // When there is no content then we don't post it
334 if ($arr['body'].$arr['title'] == '') {
338 // Items cannot be stored before they happen ...
339 if ($arr['created'] > datetime_convert()) {
340 $arr['created'] = datetime_convert();
343 // We haven't invented time travel by now.
344 if ($arr['edited'] > datetime_convert()) {
345 $arr['edited'] = datetime_convert();
348 if (($arr['author-link'] == "") && ($arr['owner-link'] == "")) {
349 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
352 if ($arr['plink'] == "") {
353 $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
356 if ($arr['network'] == NETWORK_PHANTOM) {
357 $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
358 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
359 dbesc(normalise_link($arr['author-link'])),
363 if (!DBM::is_result($r)) {
364 $r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
365 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
366 dbesc(normalise_link($arr['author-link']))
370 if (!DBM::is_result($r)) {
371 $r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
372 intval($arr['contact-id']),
377 if (DBM::is_result($r)) {
378 $arr['network'] = $r[0]["network"];
381 // Fallback to friendica (why is it empty in some cases?)
382 if ($arr['network'] == "") {
383 $arr['network'] = NETWORK_DFRN;
386 logger("Set network to " . $arr["network"] . " for " . $arr["uri"], LOGGER_DEBUG);
389 // The contact-id should be set before "self::insert" was called - but there seems to be some issues
390 if ($arr["contact-id"] == 0) {
392 * First we are looking for a suitable contact that matches with the author of the post
393 * This is done only for comments (See below explanation at "gcontact-id")
395 if ($arr['parent-uri'] != $arr['uri']) {
396 $arr["contact-id"] = Contact::getIdForURL($arr['author-link'], $uid);
399 // If not present then maybe the owner was found
400 if ($arr["contact-id"] == 0) {
401 $arr["contact-id"] = Contact::getIdForURL($arr['owner-link'], $uid);
404 // Still missing? Then use the "self" contact of the current user
405 if ($arr["contact-id"] == 0) {
406 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
408 if (DBM::is_result($r)) {
409 $arr["contact-id"] = $r[0]["id"];
413 logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
416 if (!x($arr, "gcontact-id")) {
418 * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
419 * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
420 * On comments the author is the better choice.
422 if ($arr['parent-uri'] === $arr['uri']) {
423 $arr["gcontact-id"] = GContact::getId(["url" => $arr['owner-link'], "network" => $arr['network'],
424 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']]);
426 $arr["gcontact-id"] = GContact::getId(["url" => $arr['author-link'], "network" => $arr['network'],
427 "photo" => $arr['author-avatar'], "name" => $arr['author-name']]);
431 if ($arr["author-id"] == 0) {
432 $arr["author-id"] = Contact::getIdForURL($arr["author-link"], 0);
435 if (Contact::isBlocked($arr["author-id"])) {
436 logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
440 if ($arr["owner-id"] == 0) {
441 $arr["owner-id"] = Contact::getIdForURL($arr["owner-link"], 0);
444 if (Contact::isBlocked($arr["owner-id"])) {
445 logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
449 if ($arr['guid'] != "") {
450 // Checking if there is already an item with the same guid
451 logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
452 $r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
453 dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
455 if (DBM::is_result($r)) {
456 logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
461 // Check for hashtags in the body and repair or add hashtag links
462 self::setHashtags($arr);
464 $arr['thr-parent'] = $arr['parent-uri'];
466 if ($arr['parent-uri'] === $arr['uri']) {
469 $allow_cid = $arr['allow_cid'];
470 $allow_gid = $arr['allow_gid'];
471 $deny_cid = $arr['deny_cid'];
472 $deny_gid = $arr['deny_gid'];
473 $notify_type = 'wall-new';
476 // find the parent and snarf the item id and ACLs
477 // and anything else we need to inherit
479 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
480 dbesc($arr['parent-uri']),
484 if (DBM::is_result($r)) {
486 // is the new message multi-level threaded?
487 // even though we don't support it now, preserve the info
488 // and re-attach to the conversation parent.
490 if ($r[0]['uri'] != $r[0]['parent-uri']) {
491 $arr['parent-uri'] = $r[0]['parent-uri'];
492 $z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
493 ORDER BY `id` ASC LIMIT 1",
494 dbesc($r[0]['parent-uri']),
495 dbesc($r[0]['parent-uri']),
499 if (DBM::is_result($z)) {
504 $parent_id = $r[0]['id'];
505 $parent_deleted = $r[0]['deleted'];
506 $allow_cid = $r[0]['allow_cid'];
507 $allow_gid = $r[0]['allow_gid'];
508 $deny_cid = $r[0]['deny_cid'];
509 $deny_gid = $r[0]['deny_gid'];
510 $arr['wall'] = $r[0]['wall'];
511 $notify_type = 'comment-new';
514 * If the parent is private, force privacy for the entire conversation
515 * This differs from the above settings as it subtly allows comments from
516 * email correspondents to be private even if the overall thread is not.
518 if ($r[0]['private']) {
519 $arr['private'] = $r[0]['private'];
523 * Edge case. We host a public forum that was originally posted to privately.
524 * The original author commented, but as this is a comment, the permissions
525 * weren't fixed up so it will still show the comment as private unless we fix it here.
527 if ((intval($r[0]['forum_mode']) == 1) && $r[0]['private']) {
531 // If its a post from myself then tag the thread as "mention"
532 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
533 $u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
534 if (DBM::is_result($u)) {
535 $self = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
536 logger("'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
537 if ((normalise_link($arr['author-link']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
538 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
539 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
544 * Allow one to see reply tweets from status.net even when
545 * we don't have or can't see the original post.
548 logger('$force_parent=true, reply converted to top-level post.');
550 $arr['parent-uri'] = $arr['uri'];
553 logger('item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
561 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
563 dbesc($arr['network']),
567 if (DBM::is_result($r)) {
568 logger('duplicated item with the same uri found. '.print_r($arr,true));
572 // On Friendica and Diaspora the GUID is unique
573 if (in_array($arr['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
574 $r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
578 if (DBM::is_result($r)) {
579 logger('duplicated item with the same guid found. '.print_r($arr,true));
583 // Check for an existing post with the same content. There seems to be a problem with OStatus.
584 $r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
586 dbesc($arr['network']),
587 dbesc($arr['created']),
588 intval($arr['contact-id']),
591 if (DBM::is_result($r)) {
592 logger('duplicated item with the same body found. '.print_r($arr,true));
597 // Is this item available in the global items (with uid=0)?
598 if ($arr["uid"] == 0) {
599 $arr["global"] = true;
601 // Set the global flag on all items if this was a global item entry
602 dba::update('item', ['global' => true], ['uri' => $arr["uri"]]);
604 $isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
606 $arr["global"] = (DBM::is_result($isglobal) && count($isglobal) > 0);
610 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
613 $private = $arr['private'];
616 $arr["allow_cid"] = $allow_cid;
617 $arr["allow_gid"] = $allow_gid;
618 $arr["deny_cid"] = $deny_cid;
619 $arr["deny_gid"] = $deny_gid;
620 $arr["private"] = $private;
621 $arr["deleted"] = $parent_deleted;
623 // Fill the cache field
624 put_item_in_cache($arr);
627 Addon::callHooks('post_local', $arr);
629 Addon::callHooks('post_remote', $arr);
632 // This array field is used to trigger some automatic reactions
633 // It is mainly used in the "post_local" hook.
634 unset($arr['api_source']);
636 if (x($arr, 'cancel')) {
637 logger('post cancelled by addon.');
642 * Check for already added items.
643 * There is a timing issue here that sometimes creates double postings.
644 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
646 if ($arr["uid"] == 0) {
647 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
648 if (DBM::is_result($r)) {
649 logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
654 logger('' . print_r($arr,true), LOGGER_DATA);
657 $r = dba::insert('item', $arr);
659 // When the item was successfully stored we fetch the ID of the item.
660 if (DBM::is_result($r)) {
661 $current_post = dba::lastInsertId();
663 // This can happen - for example - if there are locking timeouts.
666 // Store the data into a spool file so that we can try again later.
668 // At first we restore the Diaspora signature that we removed above.
669 if (isset($encoded_signature)) {
670 $arr['dsprsig'] = $encoded_signature;
673 // Now we store the data in the spool directory
674 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
675 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
677 $spoolpath = get_spoolpath();
678 if ($spoolpath != "") {
679 $spool = $spoolpath.'/'.$file;
680 file_put_contents($spool, json_encode($arr));
681 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
686 if ($current_post == 0) {
687 // This is one of these error messages that never should occur.
688 logger("couldn't find created item - we better quit now.");
693 // How much entries have we created?
694 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
695 $r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
698 dbesc($arr['network'])
701 if (!DBM::is_result($r)) {
702 // This shouldn't happen, since COUNT always works when the database connection is there.
703 logger("We couldn't count the stored entries. Very strange ...");
708 if ($r[0]["entries"] > 1) {
709 // There are duplicates. We delete our just created entry.
710 logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
712 // Yes, we could do a rollback here - but we are having many users with MyISAM.
713 dba::delete('item', ['id' => $current_post]);
716 } elseif ($r[0]["entries"] == 0) {
717 // This really should never happen since we quit earlier if there were problems.
718 logger("Something is terribly wrong. We haven't found our created entry.");
723 logger('created item '.$current_post);
724 self::updateContact($arr);
726 if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
727 $parent_id = $current_post;
731 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
733 $arr['id'] = $current_post;
734 $arr['parent'] = $parent_id;
736 // update the commented timestamp on the parent
737 // Only update "commented" if it is really a comment
738 if (($arr['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
739 dba::update('item', ['commented' => datetime_convert(), 'changed' => datetime_convert()], ['id' => $parent_id]);
741 dba::update('item', ['changed' => datetime_convert()], ['id' => $parent_id]);
746 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
747 * We can check for this condition when we decode and encode the stuff again.
749 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
750 $dsprsig->signature = base64_decode($dsprsig->signature);
751 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
754 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
755 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
758 $deleted = self::tagDeliver($arr['uid'], $current_post);
761 * current post can be deleted if is for a community page and no mention are
764 if (!$deleted && !$dontcache) {
765 $r = q('SELECT * FROM `item` WHERE `id` = %d', intval($current_post));
766 if (DBM::is_result($r) && (count($r) == 1)) {
768 Addon::callHooks('post_local_end', $r[0]);
770 Addon::callHooks('post_remote_end', $r[0]);
773 logger('new item not found in DB, id ' . $current_post);
777 if ($arr['parent-uri'] === $arr['uri']) {
778 add_thread($current_post);
780 update_thread($parent_id);
786 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
787 * This is not perfect - but a workable solution until we found the reason for the problem.
789 create_tags_from_item($current_post);
790 Term::createFromItem($current_post);
792 if ($arr['parent-uri'] === $arr['uri']) {
793 self::addShadow($current_post);
795 self::addShadowPost($current_post);
798 check_user_notification($current_post);
801 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
804 return $current_post;
808 * @brief Add a shadow entry for a given item id that is a thread starter
810 * We store every public item entry additionally with the user id "0".
811 * This is used for the community page and for the search.
812 * It is planned that in the future we will store public item entries only once.
814 * @param integer $itemid Item ID that should be added
816 public static function addShadow($itemid)
818 $fields = ['uid', 'wall', 'private', 'moderated', 'visible', 'contact-id', 'deleted', 'network', 'author-id', 'owner-id'];
819 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
820 $item = dba::selectFirst('item', $fields, $condition);
822 if (!DBM::is_result($item)) {
826 // is it already a copy?
827 if (($itemid == 0) || ($item['uid'] == 0)) {
831 // Is it a visible public post?
832 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
836 // is it an entry from a connector? Only add an entry for natively connected networks
837 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
841 // Is the public contact configured as hidden?
842 if (Contact::isHidden($item["owner-id"]) || Contact::isHidden($item["author-id"])) {
846 // Only do these checks if the post isn't a wall post
847 if (!$item["wall"]) {
848 // Check, if hide-friends is activated - then don't do a shadow entry
849 if (dba::exists('profile', ['is-default' => true, 'uid' => $item['uid'], 'hide-friends' => true])) {
853 // Check if the contact is hidden or blocked
854 if (!dba::exists('contact', ['hidden' => false, 'blocked' => false, 'id' => $item['contact-id']])) {
859 // Only add a shadow, if the profile isn't hidden
860 if (dba::exists('user', ['uid' => $item['uid'], 'hidewall' => true])) {
864 $item = dba::selectFirst('item', [], ['id' => $itemid]);
866 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
867 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
869 if (!dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
870 // Preparing public shadow (removing user specific data)
875 $item['contact-id'] = Contact::getIdForURL($item['author-link'], 0);
877 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
878 $item['type'] = 'remote-comment';
879 } elseif ($item['type'] == 'wall') {
880 $item['type'] = 'remote';
883 $public_shadow = self::insert($item, false, false, true);
885 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
891 * @brief Add a shadow entry for a given item id that is a comment
893 * This function does the same like the function above - but for comments
895 * @param integer $itemid Item ID that should be added
897 public static function addShadowPost($itemid)
899 $item = dba::selectFirst('item', [], ['id' => $itemid]);
900 if (!DBM::is_result($item)) {
904 // Is it a toplevel post?
905 if ($item['id'] == $item['parent']) {
906 self::addShadow($itemid);
910 // Is this a shadow entry?
911 if ($item['uid'] == 0)
914 // Is there a shadow parent?
915 if (!dba::exists('item', ['uri' => $item['parent-uri'], 'uid' => 0])) {
919 // Is there already a shadow entry?
920 if (dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
924 // Preparing public shadow (removing user specific data)
929 $item['contact-id'] = Contact::getIdForURL($item['author-link'], 0);
931 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
932 $item['type'] = 'remote-comment';
933 } elseif ($item['type'] == 'wall') {
934 $item['type'] = 'remote';
937 $public_shadow = self::insert($item, false, false, true);
939 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
943 * Adds a "lang" specification in a "postopts" element of given $arr,
944 * if possible and not already present.
945 * Expects "body" element to exist in $arr.
947 private static function addLanguageInPostopts(&$arr)
949 if (x($arr, 'postopts')) {
950 if (strstr($arr['postopts'], 'lang=')) {
954 $postopts = $arr['postopts'];
959 $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
960 $l = new Text_LanguageDetect();
961 $lng = $l->detect($naked_body, 3);
963 if (sizeof($lng) > 0) {
964 if ($postopts != "") {
965 $postopts .= '&'; // arbitrary separator, to be reviewed
968 $postopts .= 'lang=';
971 foreach ($lng as $language => $score) {
972 $postopts .= $sep . $language . ";" . $score;
975 $arr['postopts'] = $postopts;
980 * @brief Creates an unique guid out of a given uri
982 * @param string $uri uri of an item entry
983 * @param string $host (Optional) hostname for the GUID prefix
984 * @return string unique guid
986 public static function guidFromUri($uri, $host = "")
988 // Our regular guid routine is using this kind of prefix as well
989 // We have to avoid that different routines could accidentally create the same value
990 $parsed = parse_url($uri);
992 // When the hostname isn't given, we take it from the uri
994 // Is it in the format data@host.tld?
995 if ((count($parsed) == 1) && strstr($uri, '@')) {
996 $mailparts = explode('@', $uri);
997 $host = array_pop($mailparts);
999 $host = $parsed["host"];
1003 // We use a hash of the hostname as prefix for the guid
1004 $guid_prefix = hash("crc32", $host);
1006 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1007 unset($parsed["scheme"]);
1009 // Glue it together to be able to make a hash from it
1010 $host_id = implode("/", $parsed);
1012 // We could use any hash algorithm since it isn't a security issue
1013 $host_hash = hash("ripemd128", $host_id);
1015 return $guid_prefix.$host_hash;
1019 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1021 * This can be used to filter for inactive contacts.
1022 * Only do this for public postings to avoid privacy problems, since poco data is public.
1023 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1025 * @param array $arr Contains the just posted item record
1027 private static function updateContact($arr) {
1028 // Unarchive the author
1029 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-link"]]);
1030 if ($contact['term-date'] > NULL_DATE) {
1031 Contact::unmarkForArchival($contact);
1034 // Unarchive the contact if it is a toplevel posting
1035 if ($arr["parent-uri"] === $arr["uri"]) {
1036 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"]]);
1037 if ($contact['term-date'] > NULL_DATE) {
1038 Contact::unmarkForArchival($contact);
1042 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1044 // Is it a forum? Then we don't care about the rules from above
1045 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1046 $isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
1047 intval($arr['contact-id']));
1048 if (DBM::is_result($isforum)) {
1054 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1055 ['id' => $arr['contact-id']]);
1057 // Now do the same for the system wide contacts with uid=0
1058 if (!$arr['private']) {
1059 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1060 ['id' => $arr['owner-id']]);
1062 if ($arr['owner-id'] != $arr['author-id']) {
1063 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1064 ['id' => $arr['author-id']]);
1070 * The purpose of this function is to apply system message length limits to
1071 * imported messages without including any embedded photos in the length
1073 * @brief Truncates imported message body string length to max_import_size
1074 * @param string $body
1077 public static function limitBodySize($body)
1079 $maxlen = get_max_import_size();
1081 // If the length of the body, including the embedded images, is smaller
1082 // than the maximum, then don't waste time looking for the images
1083 if ($maxlen && (strlen($body) > $maxlen)) {
1085 logger('the total body length exceeds the limit', LOGGER_DEBUG);
1091 $img_start = strpos($orig_body, '[img');
1092 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1093 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
1094 while (($img_st_close !== false) && ($img_end !== false)) {
1096 $img_st_close++; // make it point to AFTER the closing bracket
1097 $img_end += $img_start;
1098 $img_end += strlen('[/img]');
1100 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
1101 // This is an embedded image
1103 if (($textlen + $img_start) > $maxlen) {
1104 if ($textlen < $maxlen) {
1105 logger('the limit happens before an embedded image', LOGGER_DEBUG);
1106 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
1110 $new_body = $new_body . substr($orig_body, 0, $img_start);
1111 $textlen += $img_start;
1114 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
1117 if (($textlen + $img_end) > $maxlen) {
1118 if ($textlen < $maxlen) {
1119 logger('the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
1120 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
1124 $new_body = $new_body . substr($orig_body, 0, $img_end);
1125 $textlen += $img_end;
1128 $orig_body = substr($orig_body, $img_end);
1130 if ($orig_body === false) {
1131 // in case the body ends on a closing image tag
1135 $img_start = strpos($orig_body, '[img');
1136 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1137 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
1140 if (($textlen + strlen($orig_body)) > $maxlen) {
1141 if ($textlen < $maxlen) {
1142 logger('the limit happens after the end of the last image', LOGGER_DEBUG);
1143 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
1146 logger('the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
1147 $new_body = $new_body . $orig_body;
1156 private static function setHashtags(&$item) {
1158 $tags = get_tags($item["body"]);
1161 if (!count($tags)) {
1165 // This sorting is important when there are hashtags that are part of other hashtags
1166 // Otherwise there could be problems with hashtags like #test and #test2
1169 $URLSearchString = "^\[\]";
1171 // All hashtags should point to the home server if "local_tags" is activated
1172 if (Config::get('system', 'local_tags')) {
1173 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1174 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1176 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1177 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1180 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1181 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1183 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1186 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1188 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1191 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1193 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1196 // Repair recursive urls
1197 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1198 "#$2", $item["body"]);
1200 foreach ($tags as $tag) {
1201 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1205 $basetag = str_replace('_',' ',substr($tag,1));
1207 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1209 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1211 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1212 if (strlen($item["tag"])) {
1213 $item["tag"] = ','.$item["tag"];
1215 $item["tag"] = $newtag.$item["tag"];
1219 // Convert back the masked hashtags
1220 $item["body"] = str_replace("#", "#", $item["body"]);
1223 public static function getGuidById($id) {
1224 $r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
1225 if (DBM::is_result($r)) {
1226 return $r[0]["guid"];
1232 public static function getIdAndNickByGuid($guid, $uid = 0) {
1238 $uid == local_user();
1241 // Does the given user have this item?
1243 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1244 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1245 AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
1246 if (DBM::is_result($r)) {
1248 $nick = $r[0]["nickname"];
1252 // Or is it anywhere on the server?
1254 $r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1255 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 AND `item`.`moderated` = 0
1256 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1257 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1258 AND `item`.`private` = 0 AND `item`.`wall` = 1
1259 AND `item`.`guid` = '%s'", dbesc($guid));
1260 if (DBM::is_result($r)) {
1262 $nick = $r[0]["nickname"];
1265 return ["nick" => $nick, "id" => $id];
1269 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1271 * @param int $item_id
1272 * @return bool true if item was deleted, else false
1274 private static function tagDeliver($uid, $item_id)
1278 $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
1281 if (!DBM::is_result($u)) {
1285 $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
1286 $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
1288 $i = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1292 if (!DBM::is_result($i)) {
1298 $link = normalise_link(System::baseUrl() . '/profile/' . $u[0]['nickname']);
1301 * Diaspora uses their own hardwired link URL in @-tags
1302 * instead of the one we supply with webfinger
1304 $dlink = normalise_link(System::baseUrl() . '/u/' . $u[0]['nickname']);
1306 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1308 foreach ($matches as $mtch) {
1309 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1311 logger('mention found: ' . $mtch[2]);
1317 if (($community_page || $prvgroup) &&
1318 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
1319 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1321 logger("no-mention top-level post to communuty or private group. delete.");
1322 dba::delete('item', ['id' => $item_id]);
1328 $arr = ['item' => $item, 'user' => $u[0], 'contact' => $r[0]];
1330 Addon::callHooks('tagged', $arr);
1332 if (!$community_page && !$prvgroup) {
1337 * tgroup delivery - setup a second delivery chain
1338 * prevent delivery looping - only proceed
1339 * if the message originated elsewhere and is a top-level post
1341 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1345 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1346 $c = q("SELECT `name`, `url`, `thumb` FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1347 intval($u[0]['uid'])
1349 if (!DBM::is_result($c)) {
1353 // also reset all the privacy bits to the forum default permissions
1355 $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
1357 $forum_mode = (($prvgroup) ? 2 : 1);
1359 q("UPDATE `item` SET `wall` = 1, `origin` = 1, `forum_mode` = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
1360 `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d",
1361 intval($forum_mode),
1362 dbesc($c[0]['name']),
1363 dbesc($c[0]['url']),
1364 dbesc($c[0]['thumb']),
1366 dbesc($u[0]['allow_cid']),
1367 dbesc($u[0]['allow_gid']),
1368 dbesc($u[0]['deny_cid']),
1369 dbesc($u[0]['deny_gid']),
1372 update_thread($item_id);
1374 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
1378 public static function isRemoteSelf($contact, &$datarray) {
1381 if (!$contact['remote_self']) {
1385 // Prevent the forwarding of posts that are forwarded
1386 if ($datarray["extid"] == NETWORK_DFRN) {
1390 // Prevent to forward already forwarded posts
1391 if ($datarray["app"] == $a->get_hostname()) {
1395 // Only forward posts
1396 if ($datarray["verb"] != ACTIVITY_POST) {
1400 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1404 $datarray2 = $datarray;
1405 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1406 if ($contact['remote_self'] == 2) {
1407 $r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
1408 intval($contact['uid']));
1409 if (DBM::is_result($r)) {
1410 $datarray['contact-id'] = $r[0]["id"];
1412 $datarray['owner-name'] = $r[0]["name"];
1413 $datarray['owner-link'] = $r[0]["url"];
1414 $datarray['owner-avatar'] = $r[0]["thumb"];
1416 $datarray['author-name'] = $datarray['owner-name'];
1417 $datarray['author-link'] = $datarray['owner-link'];
1418 $datarray['author-avatar'] = $datarray['owner-avatar'];
1420 unset($datarray['created']);
1421 unset($datarray['edited']);
1424 if ($contact['network'] != NETWORK_FEED) {
1425 $datarray["guid"] = get_guid(32);
1426 unset($datarray["plink"]);
1427 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1428 $datarray["parent-uri"] = $datarray["uri"];
1429 $datarray["extid"] = $contact['network'];
1430 $urlpart = parse_url($datarray2['author-link']);
1431 $datarray["app"] = $urlpart["host"];
1433 $datarray['private'] = 0;
1437 if ($contact['network'] != NETWORK_FEED) {
1438 // Store the original post
1439 $r = self::insert($datarray2, false, false);
1440 logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1442 $datarray["app"] = "Feed";
1445 // Trigger automatic reactions for addons
1446 $datarray['api_source'] = true;
1448 // We have to tell the hooks who we are - this really should be improved
1449 $_SESSION["authenticated"] = true;
1450 $_SESSION["uid"] = $contact['uid'];
1459 * @param array $item
1463 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
1465 if (Config::get('system', 'disable_embedded')) {
1469 logger('check for photos', LOGGER_DEBUG);
1470 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
1475 $img_start = strpos($orig_body, '[img');
1476 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1477 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1479 while (($img_st_close !== false) && ($img_len !== false)) {
1480 $img_st_close++; // make it point to AFTER the closing bracket
1481 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1483 logger('found photo ' . $image, LOGGER_DEBUG);
1485 if (stristr($image, $site . '/photo/')) {
1486 // Only embed locally hosted photos
1488 $i = basename($image);
1489 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
1490 $x = strpos($i, '-');
1493 $res = substr($i, $x + 1);
1494 $i = substr($i, 0, $x);
1495 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
1500 if (DBM::is_result($r)) {
1502 * Check to see if we should replace this photo link with an embedded image
1503 * 1. No need to do so if the photo is public
1504 * 2. If there's a contact-id provided, see if they're in the access list
1505 * for the photo. If so, embed it.
1506 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1507 * permissions, regardless of order but first check to see if they're an exact
1508 * match to save some processing overhead.
1510 if (self::hasPermissions($r[0])) {
1512 $recips = self::enumeratePermissions($r[0]);
1513 if (in_array($cid, $recips)) {
1517 if (self::samePermissions($item, $r[0])) {
1523 $data = $r[0]['data'];
1524 $type = $r[0]['type'];
1526 // If a custom width and height were specified, apply before embedding
1527 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1528 logger('scaling photo', LOGGER_DEBUG);
1530 $width = intval($match[1]);
1531 $height = intval($match[2]);
1533 $Image = new Image($data, $type);
1534 if ($Image->isValid()) {
1535 $Image->scaleDown(max($width, $height));
1536 $data = $Image->asString();
1537 $type = $Image->getType();
1541 logger('replacing photo', LOGGER_DEBUG);
1542 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1543 logger('replaced: ' . $image, LOGGER_DATA);
1549 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1550 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1551 if ($orig_body === false) {
1555 $img_start = strpos($orig_body, '[img');
1556 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1557 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1560 $new_body = $new_body . $orig_body;
1565 private static function hasPermissions($obj) {
1568 x($obj, 'allow_cid')
1570 x($obj, 'allow_gid')
1579 private static function samePermissions($obj1, $obj2) {
1580 // first part is easy. Check that these are exactly the same.
1581 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1582 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1583 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1584 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
1588 // This is harder. Parse all the permissions and compare the resulting set.
1589 $recipients1 = self::enumeratePermissions($obj1);
1590 $recipients2 = self::enumeratePermissions($obj2);
1594 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
1595 return ($recipients1 == $recipients2);
1598 // returns an array of contact-ids that are allowed to see this object
1599 private static function enumeratePermissions($obj) {
1600 $allow_people = expand_acl($obj['allow_cid']);
1601 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
1602 $deny_people = expand_acl($obj['deny_cid']);
1603 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
1604 $recipients = array_unique(array_merge($allow_people, $allow_groups));
1605 $deny = array_unique(array_merge($deny_people, $deny_groups));
1606 $recipients = array_diff($recipients, $deny);
1610 public static function getFeedTags($item) {
1613 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1615 for ($x = 0; $x < $cnt; $x ++) {
1616 if ($matches[1][$x]) {
1617 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
1622 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
1624 for ($x = 0; $x < $cnt; $x ++) {
1625 if ($matches[1][$x]) {
1626 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
1633 public static function expire($uid, $days, $network = "", $force = false) {
1635 if (!$uid || ($days < 1)) {
1640 * $expire_network_only = save your own wall posts
1641 * and just expire conversations started by others
1643 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
1644 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
1646 if ($network != "") {
1647 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
1650 * There is an index "uid_network_received" but not "uid_network_created"
1651 * This avoids the creation of another index just for one purpose.
1652 * And it doesn't really matter wether to look at "received" or "created"
1654 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
1656 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
1659 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
1660 WHERE `uid` = %d $range
1668 if (!DBM::is_result($r)) {
1672 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
1674 // Forcing expiring of items - but not notes and marked items
1676 $expire_items = true;
1679 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
1680 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
1681 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
1683 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
1685 foreach ($r as $item) {
1687 // don't expire filed items
1689 if (strpos($item['file'],'[') !== false) {
1693 // Only expire posts, not photos and photo comments
1695 if ($expire_photos == 0 && strlen($item['resource-id'])) {
1697 } elseif ($expire_starred == 0 && intval($item['starred'])) {
1699 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
1701 } elseif ($expire_items == 0 && $item['type'] != 'note') {
1705 self::delete($item['id'], PRIORITY_LOW);
1709 /// @TODO: This query seems to be really slow
1710 public static function firstPostDate($uid, $wall = false) {
1711 $r = q("SELECT `id`, `created` FROM `item`
1712 WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
1714 ORDER BY `created` ASC LIMIT 1",
1716 intval($wall ? 1 : 0)
1718 if (DBM::is_result($r)) {
1719 return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);