3 * @file src/Worker/Notifier.php
5 namespace Friendica\Worker;
7 use Friendica\Core\Config;
8 use Friendica\Core\Hook;
9 use Friendica\Core\Logger;
10 use Friendica\Core\Protocol;
11 use Friendica\Core\Worker;
12 use Friendica\Database\DBA;
14 use Friendica\Model\APContact;
15 use Friendica\Model\Contact;
16 use Friendica\Model\Conversation;
17 use Friendica\Model\Group;
18 use Friendica\Model\Item;
19 use Friendica\Model\ItemDeliveryData;
20 use Friendica\Model\PushSubscriber;
21 use Friendica\Model\User;
22 use Friendica\Network\Probe;
23 use Friendica\Protocol\ActivityPub;
24 use Friendica\Protocol\Diaspora;
25 use Friendica\Protocol\OStatus;
26 use Friendica\Protocol\Salmon;
27 use Friendica\Util\ACLFormatter;
29 require_once 'include/items.php';
32 * The notifier is typically called with:
34 * Worker::add(PRIORITY_HIGH, "Notifier", COMMAND, ITEM_ID);
36 * where COMMAND is one of the constants that are defined in Worker/Delivery.php
37 * and ITEM_ID is the id of the item in the database that needs to be sent to others.
42 public static function execute($cmd, $target_id)
46 Logger::info('Invoked', ['cmd' => $cmd, 'target' => $target_id]);
52 $delivery_contacts_stmt = null;
57 $delivery_queue_count = 0;
59 if ($cmd == Delivery::MAIL) {
60 $message = DBA::selectFirst('mail', ['uid', 'contact-id'], ['id' => $target_id]);
61 if (!DBA::isResult($message)) {
64 $uid = $message['uid'];
65 $recipients[] = $message['contact-id'];
67 $mail = ActivityPub\Transmitter::ItemArrayFromMail($target_id);
68 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($mail, $uid, true);
69 foreach ($inboxes as $inbox) {
70 Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'target' => $target_id, 'inbox' => $inbox]);
71 Worker::add(['priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true],
72 'APDelivery', $cmd, $target_id, $inbox, $uid);
74 } elseif ($cmd == Delivery::SUGGESTION) {
75 $suggest = DBA::selectFirst('fsuggest', ['uid', 'cid'], ['id' => $target_id]);
76 if (!DBA::isResult($suggest)) {
79 $uid = $suggest['uid'];
80 $recipients[] = $suggest['cid'];
81 } elseif ($cmd == Delivery::REMOVAL) {
82 return self::notifySelfRemoval($target_id, $a->queue['priority'], $a->queue['created']);
83 } elseif ($cmd == Delivery::RELOCATION) {
86 $condition = ['uid' => $target_id, 'self' => false, 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
87 $delivery_contacts_stmt = DBA::select('contact', ['id', 'url', 'addr', 'network', 'protocol', 'batch'], $condition);
90 $condition = ['id' => $target_id, 'visible' => true, 'moderated' => false];
91 $target_item = Item::selectFirst([], $condition);
93 if (!DBA::isResult($target_item) || !intval($target_item['parent'])) {
94 Logger::info('No target item', ['cmd' => $cmd, 'target' => $target_id]);
98 if (!empty($target_item['contact-uid'])) {
99 $uid = $target_item['contact-uid'];
100 } elseif (!empty($target_item['uid'])) {
101 $uid = $target_item['uid'];
103 Logger::info('Only public users, quitting', ['target' => $target_id]);
107 $condition = ['parent' => $target_item['parent'], 'visible' => true, 'moderated' => false];
108 $params = ['order' => ['id']];
109 $items_stmt = Item::select([], $condition, $params);
110 if (!DBA::isResult($items_stmt)) {
111 Logger::info('No item found', ['cmd' => $cmd, 'target' => $target_id]);
115 $items = Item::inArray($items_stmt);
117 // avoid race condition with deleting entries
118 if ($items[0]['deleted']) {
119 foreach ($items as $item) {
120 $item['deleted'] = 1;
124 if ((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
125 Logger::info('Top level post', ['target' => $target_id]);
130 $owner = User::getOwnerDataById($uid);
132 Logger::info('Owner not found', ['cmd' => $cmd, 'target' => $target_id]);
136 // Should the post be transmitted to Diaspora?
137 $diaspora_delivery = true;
139 // If this is a public conversation, notify the feed hub
140 $public_message = true;
143 $push_notify = false;
145 // Deliver directly to a forum, don't PuSH
146 $direct_forum_delivery = false;
149 $recipients_followup = [];
151 if (!empty($target_item) && !empty($items)) {
154 $fields = ['network', 'author-id', 'author-link', 'owner-id'];
155 $condition = ['uri' => $target_item["thr-parent"], 'uid' => $target_item["uid"]];
156 $thr_parent = Item::selectFirst($fields, $condition);
157 if (empty($thr_parent)) {
158 $thr_parent = $parent;
161 Logger::log('GUID: ' . $target_item["guid"] . ': Parent is ' . $parent['network'] . '. Thread parent is ' . $thr_parent['network'], Logger::DEBUG);
163 if (!self::isRemovalActivity($cmd, $owner, Protocol::ACTIVITYPUB)) {
164 $delivery_queue_count += self::activityPubDelivery($cmd, $target_item, $parent, $thr_parent, $a->queue['priority'], $a->queue['created'], $owner);
167 // Only deliver threaded replies (comment to a comment) to Diaspora
168 // when the original comment author does support the Diaspora protocol.
169 if ($target_item['parent-uri'] != $target_item['thr-parent']) {
170 $diaspora_delivery = Diaspora::isSupportedByContactUrl($thr_parent['author-link']);
171 Logger::info('Threaded comment', ['diaspora_delivery' => (int)$diaspora_delivery]);
174 // This is IMPORTANT!!!!
176 // We will only send a "notify owner to relay" or followup message if the referenced post
177 // originated on our system by virtue of having our hostname somewhere
178 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
180 // if $parent['wall'] == 1 we will already have the parent message in our array
181 // and we will relay the whole lot.
183 $localhost = str_replace('www.','', DI::baseUrl()->getHostname());
184 if (strpos($localhost,':')) {
185 $localhost = substr($localhost,0,strpos($localhost,':'));
189 * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
190 * have been known to cause runaway conditions which affected several servers, along with
191 * permissions issues.
195 $relay_to_owner = false;
197 if (!$top_level && ($parent['wall'] == 0) && (stristr($target_item['uri'],$localhost))) {
198 $relay_to_owner = true;
201 if (($cmd === Delivery::UPLINK) && (intval($parent['forum_mode']) == 1) && !$top_level) {
202 $relay_to_owner = true;
205 // until the 'origin' flag has been in use for several months
206 // we will just use it as a fallback test
207 // later we will be able to use it as the primary test of whether or not to relay.
209 if (!$target_item['origin']) {
210 $relay_to_owner = false;
212 if ($parent['origin']) {
213 $relay_to_owner = false;
216 // Special treatment for forum posts
217 if (Item::isForumPost($target_item, $owner)) {
218 $relay_to_owner = true;
219 $direct_forum_delivery = true;
222 // Avoid that comments in a forum thread are sent to OStatus
223 if (Item::isForumPost($parent, $owner)) {
224 $direct_forum_delivery = true;
227 if ($relay_to_owner) {
228 // local followup to remote post
230 $public_message = false; // not public
231 $recipients = [$parent['contact-id']];
232 $recipients_followup = [$parent['contact-id']];
234 Logger::info('Followup', ['target' => $target_id, 'guid' => $target_item['guid'], 'to' => $parent['contact-id']]);
236 //if (!$target_item['private'] && $target_item['wall'] &&
237 if (!$target_item['private'] &&
238 (strlen($target_item['allow_cid'].$target_item['allow_gid'].
239 $target_item['deny_cid'].$target_item['deny_gid']) == 0))
242 if (($thr_parent && ($thr_parent['network'] == Protocol::OSTATUS)) || ($parent['network'] == Protocol::OSTATUS)) {
245 if ($parent["network"] == Protocol::OSTATUS) {
246 // Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
247 // Currently it is work at progress
248 $condition = ['uid' => $uid, 'network' => Protocol::DFRN, 'blocked' => false, 'pending' => false, 'archive' => false];
249 $followup_contacts_stmt = DBA::select('contact', ['id'], $condition);
250 while($followup_contact = DBA::fetch($followup_contacts_stmt)) {
251 $recipients_followup[] = $followup_contact['id'];
253 DBA::close($followup_contacts_stmt);
257 if ($direct_forum_delivery) {
258 $push_notify = false;
261 Logger::log('Notify ' . $target_item["guid"] .' via PuSH: ' . ($push_notify ? "Yes":"No"), Logger::DEBUG);
265 Logger::info('Distributing directly', ['target' => $target_id, 'guid' => $target_item['guid']]);
267 // don't send deletions onward for other people's stuff
269 if ($target_item['deleted'] && !intval($target_item['wall'])) {
270 Logger::log('Ignoring delete notification for non-wall item');
274 if (strlen($parent['allow_cid'])
275 || strlen($parent['allow_gid'])
276 || strlen($parent['deny_cid'])
277 || strlen($parent['deny_gid'])) {
278 $public_message = false; // private recipients, not public
281 $aclFormatter = DI::aclFormatter();
283 $allow_people = $aclFormatter->expand($parent['allow_cid']);
284 $allow_groups = Group::expand($uid, $aclFormatter->expand($parent['allow_gid']),true);
285 $deny_people = $aclFormatter->expand($parent['deny_cid']);
286 $deny_groups = Group::expand($uid, $aclFormatter->expand($parent['deny_gid']));
288 // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
289 // a delivery fork. private groups (forum_mode == 2) do not uplink
291 if ((intval($parent['forum_mode']) == 1) && !$top_level && ($cmd !== Delivery::UPLINK)) {
292 Worker::add($a->queue['priority'], 'Notifier', Delivery::UPLINK, $target_id);
295 foreach ($items as $item) {
296 $recipients[] = $item['contact-id'];
297 // pull out additional tagged people to notify (if public message)
298 if ($public_message && strlen($item['inform'])) {
299 $people = explode(',',$item['inform']);
300 foreach ($people as $person) {
301 if (substr($person,0,4) === 'cid:') {
302 $recipients[] = intval(substr($person,4));
304 $url_recipients[] = substr($person,4);
310 if (count($url_recipients)) {
311 Logger::notice('Deliver', ['target' => $target_id, 'guid' => $target_item['guid'], 'recipients' => $url_recipients]);
314 $recipients = array_unique(array_merge($recipients, $allow_people, $allow_groups));
315 $deny = array_unique(array_merge($deny_people, $deny_groups));
316 $recipients = array_diff($recipients, $deny);
318 // If this is a public message and pubmail is set on the parent, include all your email contacts
320 function_exists('imap_open')
321 && !Config::get('system','imap_disabled')
323 && intval($target_item['pubmail'])
325 $mail_contacts_stmt = DBA::select('contact', ['id'], ['uid' => $uid, 'network' => Protocol::MAIL]);
326 while ($mail_contact = DBA::fetch($mail_contacts_stmt)) {
327 $recipients[] = $mail_contact['id'];
329 DBA::close($mail_contacts_stmt);
333 // If the thread parent is OStatus then do some magic to distribute the messages.
334 // We have not only to look at the parent, since it could be a Friendica thread.
335 if (($thr_parent && ($thr_parent['network'] == Protocol::OSTATUS)) || ($parent['network'] == Protocol::OSTATUS)) {
336 $diaspora_delivery = false;
338 Logger::log('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent['author-id']." - Owner: ".$thr_parent['owner-id'], Logger::DEBUG);
340 // Send a salmon to the parent author
341 $probed_contact = DBA::selectFirst('contact', ['url', 'notify'], ['id' => $thr_parent['author-id']]);
342 if (DBA::isResult($probed_contact) && !empty($probed_contact["notify"])) {
343 Logger::log('Notify parent author '.$probed_contact["url"].': '.$probed_contact["notify"]);
344 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
347 // Send a salmon to the parent owner
348 $probed_contact = DBA::selectFirst('contact', ['url', 'notify'], ['id' => $thr_parent['owner-id']]);
349 if (DBA::isResult($probed_contact) && !empty($probed_contact["notify"])) {
350 Logger::log('Notify parent owner '.$probed_contact["url"].': '.$probed_contact["notify"]);
351 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
354 // Send a salmon notification to every person we mentioned in the post
355 $arr = explode(',',$target_item['tag']);
356 foreach ($arr as $x) {
357 //Logger::log('Checking tag '.$x, Logger::DEBUG);
359 if (preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
360 $probed_contact = Probe::uri($matches[1]);
361 if ($probed_contact["notify"] != "") {
362 Logger::log('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
363 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
368 // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
369 $networks = [Protocol::DFRN];
370 } elseif ($diaspora_delivery) {
371 $networks = [Protocol::DFRN, Protocol::DIASPORA, Protocol::MAIL];
372 if (($parent['network'] == Protocol::DIASPORA) || ($thr_parent['network'] == Protocol::DIASPORA)) {
373 Logger::info('Add AP contacts', ['target' => $target_id, 'guid' => $target_item['guid']]);
374 $networks[] = Protocol::ACTIVITYPUB;
377 $networks = [Protocol::DFRN, Protocol::MAIL];
380 $public_message = false;
383 if (empty($delivery_contacts_stmt)) {
385 $recipients = $recipients_followup;
387 $condition = ['id' => $recipients, 'self' => false,
388 'blocked' => false, 'pending' => false, 'archive' => false];
389 if (!empty($networks)) {
390 $condition['network'] = $networks;
392 $delivery_contacts_stmt = DBA::select('contact', ['id', 'addr', 'url', 'network', 'protocol', 'batch'], $condition);
396 $batch_delivery = false;
398 if ($public_message && !in_array($cmd, [Delivery::MAIL, Delivery::SUGGESTION]) && !$followup) {
401 if ($diaspora_delivery) {
402 $batch_delivery = true;
404 $relay_list_stmt = DBA::p(
407 ANY_VALUE(`id`) AS `id`,
408 ANY_VALUE(`url`) AS `url`,
409 ANY_VALUE(`name`) AS `name`,
410 ANY_VALUE(`network`) AS `network`,
411 ANY_VALUE(`protocol`) AS `protocol`
425 $relay_list = DBA::toArray($relay_list_stmt);
427 // Fetch the participation list
428 // The function will ensure that there are no duplicates
429 $relay_list = Diaspora::participantsForThread($target_id, $relay_list);
431 // Add the relay to the list, avoid duplicates.
432 // Don't send community posts to the relay. Forum posts via the Diaspora protocol are looking ugly.
433 if (!$followup && !Item::isForumPost($target_item, $owner)) {
434 $relay_list = Diaspora::relayList($target_id, $relay_list);
438 $condition = ['network' => Protocol::DFRN, 'uid' => $owner['uid'], 'blocked' => false,
439 'pending' => false, 'archive' => false, 'rel' => [Contact::FOLLOWER, Contact::FRIEND]];
441 $r2 = DBA::toArray(DBA::select('contact', ['id', 'url', 'addr', 'name', 'network', 'protocol'], $condition));
443 $r = array_merge($r2, $relay_list);
445 if (DBA::isResult($r)) {
446 foreach ($r as $rr) {
447 // Ensure that local contacts are delivered via DFRN
448 if (Contact::isLocal($rr['url'])) {
449 $contact['network'] = Protocol::DFRN;
452 if (!empty($rr['addr']) && ($rr['network'] == Protocol::ACTIVITYPUB) && !DBA::exists('fcontact', ['addr' => $rr['addr']])) {
453 Logger::info('Contact is AP omly', ['target' => $target_id, 'contact' => $rr['url']]);
457 if (!empty($rr['id']) && Contact::isArchived($rr['id'])) {
458 Logger::info('Contact is archived', ['target' => $target_id, 'contact' => $rr['url']]);
462 if (self::isRemovalActivity($cmd, $owner, $rr['network'])) {
463 Logger::log('Skipping dropping for ' . $rr['url'] . ' since the network supports account removal commands.', Logger::DEBUG);
467 if (self::skipDFRN($rr, $target_item, $parent, $thr_parent, $cmd)) {
468 Logger::info('Contact can be delivered via AP, so skip delivery via legacy DFRN/Diaspora', ['id' => $target_id, 'url' => $rr['url']]);
472 $conversants[] = $rr['id'];
474 Logger::info('Public delivery', ['target' => $target_id, 'guid' => $target_item["guid"], 'to' => $rr]);
476 // Ensure that posts with our own protocol arrives before Diaspora posts arrive.
477 // Situation is that sometimes Friendica servers receive Friendica posts over the Diaspora protocol first.
478 // The conversion in Markdown reduces the formatting, so these posts should arrive after the Friendica posts.
479 // This is only important for high and medium priority tasks and not for Low priority jobs like deletions.
480 if (($rr['network'] == Protocol::DIASPORA) && in_array($a->queue['priority'], [PRIORITY_HIGH, PRIORITY_MEDIUM])) {
481 $deliver_options = ['priority' => $a->queue['priority'], 'dont_fork' => true];
483 $deliver_options = ['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true];
486 if (Worker::add($deliver_options, 'Delivery', $cmd, $target_id, (int)$rr['id'])) {
487 $delivery_queue_count++;
496 while ($contact = DBA::fetch($delivery_contacts_stmt)) {
497 // Ensure that local contacts are delivered via DFRN
498 if (Contact::isLocal($contact['url'])) {
499 $contact['network'] = Protocol::DFRN;
502 if (!empty($contact['addr']) && ($contact['network'] == Protocol::ACTIVITYPUB) && !DBA::exists('fcontact', ['addr' => $contact['addr']])) {
503 Logger::info('Contact is AP omly', ['target' => $target_id, 'contact' => $contact['url']]);
507 if (!empty($contact['id']) && Contact::isArchived($contact['id'])) {
508 Logger::info('Contact is archived', ['target' => $target_id, 'contact' => $contact['url']]);
512 if (self::isRemovalActivity($cmd, $owner, $contact['network'])) {
513 Logger::log('Skipping dropping for ' . $contact['url'] . ' since the network supports account removal commands.', Logger::DEBUG);
517 if (self::skipDFRN($contact, $target_item, $parent, $thr_parent, $cmd)) {
518 Logger::info('Contact can be delivered via AP, so skip delivery via legacy DFRN/Diaspora', ['target' => $target_id, 'url' => $contact['url']]);
522 // Don't deliver to Diaspora if it already had been done as batch delivery
523 if (($contact['network'] == Protocol::DIASPORA) && $batch_delivery) {
524 Logger::log('Already delivered id ' . $target_id . ' via batch to ' . json_encode($contact), Logger::DEBUG);
528 // Don't deliver to folks who have already been delivered to
529 if (in_array($contact['id'], $conversants)) {
530 Logger::log('Already delivered id ' . $target_id. ' to ' . json_encode($contact), Logger::DEBUG);
534 Logger::info('Delivery', ['id' => $target_id, 'to' => $contact]);
536 // Ensure that posts with our own protocol arrives before Diaspora posts arrive.
537 // Situation is that sometimes Friendica servers receive Friendica posts over the Diaspora protocol first.
538 // The conversion in Markdown reduces the formatting, so these posts should arrive after the Friendica posts.
539 if ($contact['network'] == Protocol::DIASPORA) {
540 $deliver_options = ['priority' => $a->queue['priority'], 'dont_fork' => true];
542 $deliver_options = ['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true];
545 if (Worker::add($deliver_options, 'Delivery', $cmd, $target_id, (int)$contact['id'])) {
546 $delivery_queue_count++;
549 DBA::close($delivery_contacts_stmt);
551 $url_recipients = array_filter($url_recipients);
552 // send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
553 // They are especially used for notifications to OStatus users that don't follow us.
554 if (!Config::get('system', 'dfrn_only') && count($url_recipients) && ($public_message || $push_notify) && !empty($target_item)) {
555 $slap = OStatus::salmon($target_item, $owner);
556 foreach ($url_recipients as $url) {
557 Logger::log('Salmon delivery of item ' . $target_id . ' to ' . $url);
558 /// @TODO Redeliver/queue these items on failure, though there is no contact record
559 $delivery_queue_count++;
560 Salmon::slapper($owner, $url, $slap);
561 ItemDeliveryData::incrementQueueDone($target_id, ItemDeliveryData::OSTATUS);
565 // Notify PuSH subscribers (Used for OStatus distribution of regular posts)
567 Logger::log('Activating internal PuSH for item '.$target_id, Logger::DEBUG);
569 // Handling the pubsubhubbub requests
570 PushSubscriber::publishFeed($owner['uid'], $a->queue['priority']);
573 if (!empty($target_item)) {
574 Logger::log('Calling hooks for ' . $cmd . ' ' . $target_id, Logger::DEBUG);
576 Hook::fork($a->queue['priority'], 'notifier_normal', $target_item);
578 Hook::callAll('notifier_end', $target_item);
580 // Workaround for pure connector posts
581 if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
582 if ($delivery_queue_count == 0) {
583 ItemDeliveryData::incrementQueueDone($target_item['id']);
584 $delivery_queue_count = 1;
587 ItemDeliveryData::incrementQueueCount($target_item['id'], $delivery_queue_count);
595 * Checks if the current delivery process needs to be transported via DFRN.
597 * @param array $contact Receiver of the post
598 * @param array $item The post
599 * @param array $parent The parent
600 * @param array $thr_parent The thread parent
601 * @param string $cmd Notifier command
603 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
604 * @throws \ImagickException
606 private static function skipDFRN($contact, $item, $parent, $thr_parent, $cmd)
608 if (empty($parent['network'])) {
612 // Don't skip when the starting post is delivered via Diaspora
613 if ($parent['network'] == Protocol::DIASPORA) {
617 // Also don't skip when the direct thread parent was delivered via Diaspora
618 if ($thr_parent['network'] == Protocol::DIASPORA) {
622 // Use DFRN if we are on the same site
623 if (!empty($contact['url']) && Contact::isLocal($contact['url'])) {
627 // Don't skip when author or owner don't have AP profiles
628 if ((!empty($item['author-link']) && empty(APContact::getByURL($item['author-link'], false))) || (!empty($item['owner-link']) && empty(APContact::getByURL($item['owner-link'], false)))) {
632 // Don't skip DFRN delivery for these commands
633 if (in_array($cmd, [Delivery::SUGGESTION, Delivery::REMOVAL, Delivery::RELOCATION, Delivery::POKE])) {
637 // We deliver reshares via AP whenever possible
638 if (ActivityPub\Transmitter::isAnnounce($item)) {
642 // Skip DFRN when the item will be (forcefully) delivered via AP
643 if (Config::get('debug', 'total_ap_delivery') && ($contact['network'] == Protocol::DFRN) && !empty(APContact::getByURL($contact['url'], false))) {
647 // Skip DFRN delivery if the contact speaks ActivityPub
648 return in_array($contact['network'], [Protocol::DFRN, Protocol::DIASPORA]) && ($contact['protocol'] == Protocol::ACTIVITYPUB);
652 * Checks if the current action is a deletion command of a account removal activity
653 * For Diaspora and ActivityPub we don't need to send single item deletion calls.
654 * These protocols do have a dedicated command for deleting a whole account.
656 * @param string $cmd Notifier command
657 * @param array $owner Sender of the post
658 * @param string $network Receiver network
660 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
661 * @throws \ImagickException
663 private static function isRemovalActivity($cmd, $owner, $network)
665 return ($cmd == Delivery::DELETION) && $owner['account_removed'] && in_array($network, [Protocol::ACTIVITYPUB, Protocol::DIASPORA]);
669 * @param int $self_user_id
670 * @param int $priority The priority the Notifier queue item was created with
671 * @param string $created The date the Notifier queue item was created on
673 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
674 * @throws \ImagickException
676 private static function notifySelfRemoval($self_user_id, $priority, $created)
678 $owner = User::getOwnerDataById($self_user_id);
683 $contacts_stmt = DBA::select('contact', [], ['self' => false, 'uid' => $self_user_id]);
684 if (!DBA::isResult($contacts_stmt)) {
688 while($contact = DBA::fetch($contacts_stmt)) {
689 Contact::terminateFriendship($owner, $contact, true);
691 DBA::close($contacts_stmt);
693 $inboxes = ActivityPub\Transmitter::fetchTargetInboxesforUser(0);
694 foreach ($inboxes as $inbox) {
695 Logger::info('Account removal via ActivityPub', ['uid' => $self_user_id, 'inbox' => $inbox]);
696 Worker::add(['priority' => PRIORITY_NEGLIGIBLE, 'created' => $created, 'dont_fork' => true],
697 'APDelivery', Delivery::REMOVAL, '', $inbox, $self_user_id);
705 * @param array $target_item
706 * @param array $parent
707 * @param array $thr_parent
708 * @param int $priority The priority the Notifier queue item was created with
709 * @param string $created The date the Notifier queue item was created on
710 * @return int The number of delivery tasks created
711 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
712 * @throws \ImagickException
714 private static function activityPubDelivery($cmd, array $target_item, array $parent, array $thr_parent, $priority, $created, $owner)
716 // Don't deliver via AP when the starting post is delivered via Diaspora
717 if ($parent['network'] == Protocol::DIASPORA) {
721 // Also don't deliver when the direct thread parent was delivered via Diaspora
722 if ($thr_parent['network'] == Protocol::DIASPORA) {
728 $uid = $target_item['contact-uid'] ?: $target_item['uid'];
730 if ($target_item['origin']) {
731 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($target_item, $uid);
732 Logger::log('Origin item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.', Logger::DEBUG);
733 } elseif (Item::isForumPost($target_item, $owner)) {
734 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($target_item, $uid, false, 0, true);
735 Logger::log('Forum item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.', Logger::DEBUG);
736 } elseif (!DBA::exists('conversation', ['item-uri' => $target_item['uri'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB])) {
737 Logger::log('Remote item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' is no AP post. It will not be distributed.', Logger::DEBUG);
739 } elseif ($parent['origin']) {
740 // Remote items are transmitted via the personal inboxes.
741 // Doing so ensures that the dedicated receiver will get the message.
742 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid, true, $target_item['id']);
743 Logger::log('Remote item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.', Logger::DEBUG);
746 if (empty($inboxes)) {
747 Logger::log('No inboxes found for item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . '. It will not be distributed.', Logger::DEBUG);
751 // Fill the item cache
752 ActivityPub\Transmitter::createCachedActivityFromItem($target_item['id'], true);
754 $delivery_queue_count = 0;
756 foreach ($inboxes as $inbox) {
757 Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'id' => $target_item['id'], 'inbox' => $inbox]);
759 if (Worker::add(['priority' => $priority, 'created' => $created, 'dont_fork' => true],
760 'APDelivery', $cmd, $target_item['id'], $inbox, $uid)) {
761 $delivery_queue_count++;
765 return $delivery_queue_count;