3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Worker;
24 use Friendica\Core\Hook;
25 use Friendica\Core\Logger;
26 use Friendica\Core\Protocol;
27 use Friendica\Core\Worker;
28 use Friendica\Database\DBA;
30 use Friendica\Model\APContact;
31 use Friendica\Model\Contact;
32 use Friendica\Model\Conversation;
33 use Friendica\Model\Group;
34 use Friendica\Model\Item;
35 use Friendica\Model\Post;
36 use Friendica\Model\PushSubscriber;
37 use Friendica\Model\Tag;
38 use Friendica\Model\User;
39 use Friendica\Network\Probe;
40 use Friendica\Protocol\ActivityPub;
41 use Friendica\Protocol\Diaspora;
42 use Friendica\Protocol\OStatus;
43 use Friendica\Protocol\Salmon;
45 require_once 'include/items.php';
48 * The notifier is typically called with:
50 * Worker::add(PRIORITY_HIGH, "Notifier", COMMAND, ITEM_ID);
52 * where COMMAND is one of the constants that are defined in Worker/Delivery.php
53 * and ITEM_ID is the id of the item in the database that needs to be sent to others.
58 public static function execute($cmd, $target_id)
62 Logger::info('Invoked', ['cmd' => $cmd, 'target' => $target_id]);
68 $delivery_contacts_stmt = null;
73 $delivery_queue_count = 0;
75 if ($cmd == Delivery::MAIL) {
76 $message = DBA::selectFirst('mail', ['uid', 'contact-id'], ['id' => $target_id]);
77 if (!DBA::isResult($message)) {
80 $uid = $message['uid'];
81 $recipients[] = $message['contact-id'];
83 $mail = ActivityPub\Transmitter::ItemArrayFromMail($target_id);
84 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($mail, $uid, true);
85 foreach ($inboxes as $inbox) {
86 Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'target' => $target_id, 'inbox' => $inbox]);
87 Worker::add(['priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true],
88 'APDelivery', $cmd, $target_id, $inbox, $uid);
90 } elseif ($cmd == Delivery::SUGGESTION) {
91 $suggest = DI::fsuggest()->getById($target_id);
93 $recipients[] = $suggest->cid;
94 } elseif ($cmd == Delivery::REMOVAL) {
95 return self::notifySelfRemoval($target_id, $a->queue['priority'], $a->queue['created']);
96 } elseif ($cmd == Delivery::RELOCATION) {
99 $condition = ['uid' => $target_id, 'self' => false, 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
100 $delivery_contacts_stmt = DBA::select('contact', ['id', 'url', 'addr', 'network', 'protocol', 'batch'], $condition);
103 $condition = ['id' => $target_id, 'visible' => true, 'moderated' => false];
104 $target_item = Item::selectFirst([], $condition);
106 if (!DBA::isResult($target_item) || !intval($target_item['parent'])) {
107 Logger::info('No target item', ['cmd' => $cmd, 'target' => $target_id]);
111 if (!empty($target_item['contact-uid'])) {
112 $uid = $target_item['contact-uid'];
113 } elseif (!empty($target_item['uid'])) {
114 $uid = $target_item['uid'];
116 Logger::info('Only public users, quitting', ['target' => $target_id]);
120 $condition = ['parent' => $target_item['parent'], 'visible' => true, 'moderated' => false];
121 $params = ['order' => ['id']];
122 $items_stmt = Item::select([], $condition, $params);
123 if (!DBA::isResult($items_stmt)) {
124 Logger::info('No item found', ['cmd' => $cmd, 'target' => $target_id]);
128 $items = Item::inArray($items_stmt);
130 // avoid race condition with deleting entries
131 if ($items[0]['deleted']) {
132 foreach ($items as $item) {
133 $item['deleted'] = 1;
137 if ((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
138 Logger::info('Top level post', ['target' => $target_id]);
143 $owner = User::getOwnerDataById($uid);
145 Logger::info('Owner not found', ['cmd' => $cmd, 'target' => $target_id]);
149 // Should the post be transmitted to Diaspora?
150 $diaspora_delivery = true;
152 // If this is a public conversation, notify the feed hub
153 $public_message = true;
158 $push_notify = false;
160 // Deliver directly to a forum, don't PuSH
161 $direct_forum_delivery = false;
164 $recipients_followup = [];
166 if (!empty($target_item) && !empty($items)) {
169 $fields = ['network', 'author-id', 'author-link', 'owner-id'];
170 $condition = ['uri' => $target_item["thr-parent"], 'uid' => $target_item["uid"]];
171 $thr_parent = Item::selectFirst($fields, $condition);
172 if (empty($thr_parent)) {
173 $thr_parent = $parent;
176 Logger::log('GUID: ' . $target_item["guid"] . ': Parent is ' . $parent['network'] . '. Thread parent is ' . $thr_parent['network'], Logger::DEBUG);
178 if (!self::isRemovalActivity($cmd, $owner, Protocol::ACTIVITYPUB)) {
179 $delivery_queue_count += self::activityPubDelivery($cmd, $target_item, $parent, $thr_parent, $a->queue['priority'], $a->queue['created'], $owner);
182 // Only deliver threaded replies (comment to a comment) to Diaspora
183 // when the original comment author does support the Diaspora protocol.
184 if ($target_item['parent-uri'] != $target_item['thr-parent']) {
185 $diaspora_delivery = Diaspora::isSupportedByContactUrl($thr_parent['author-link']);
186 Logger::info('Threaded comment', ['diaspora_delivery' => (int)$diaspora_delivery]);
189 $unlisted = $target_item['private'] == Item::UNLISTED;
191 // This is IMPORTANT!!!!
193 // We will only send a "notify owner to relay" or followup message if the referenced post
194 // originated on our system by virtue of having our hostname somewhere
195 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
197 // if $parent['wall'] == 1 we will already have the parent message in our array
198 // and we will relay the whole lot.
200 $localhost = str_replace('www.','', DI::baseUrl()->getHostname());
201 if (strpos($localhost,':')) {
202 $localhost = substr($localhost,0,strpos($localhost,':'));
206 * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
207 * have been known to cause runaway conditions which affected several servers, along with
208 * permissions issues.
212 $relay_to_owner = false;
214 if (!$top_level && ($parent['wall'] == 0) && (stristr($target_item['uri'],$localhost))) {
215 $relay_to_owner = true;
218 if (($cmd === Delivery::UPLINK) && (intval($parent['forum_mode']) == 1) && !$top_level) {
219 $relay_to_owner = true;
222 // until the 'origin' flag has been in use for several months
223 // we will just use it as a fallback test
224 // later we will be able to use it as the primary test of whether or not to relay.
226 if (!$target_item['origin']) {
227 $relay_to_owner = false;
229 if ($parent['origin']) {
230 $relay_to_owner = false;
233 // Special treatment for forum posts
234 if (Item::isForumPost($target_item, $owner)) {
235 $relay_to_owner = true;
236 $direct_forum_delivery = true;
239 // Avoid that comments in a forum thread are sent to OStatus
240 if (Item::isForumPost($parent, $owner)) {
241 $direct_forum_delivery = true;
244 if ($relay_to_owner) {
245 // local followup to remote post
247 $public_message = false; // not public
248 $recipients = [$parent['contact-id']];
249 $recipients_followup = [$parent['contact-id']];
251 Logger::info('Followup', ['target' => $target_id, 'guid' => $target_item['guid'], 'to' => $parent['contact-id']]);
253 if (($target_item['private'] != Item::PRIVATE) &&
254 (strlen($target_item['allow_cid'].$target_item['allow_gid'].
255 $target_item['deny_cid'].$target_item['deny_gid']) == 0))
258 if (($thr_parent && ($thr_parent['network'] == Protocol::OSTATUS)) || ($parent['network'] == Protocol::OSTATUS)) {
261 if ($parent["network"] == Protocol::OSTATUS) {
262 // Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
263 // Currently it is work at progress
264 $condition = ['uid' => $uid, 'network' => Protocol::DFRN, 'blocked' => false, 'pending' => false, 'archive' => false];
265 $followup_contacts_stmt = DBA::select('contact', ['id'], $condition);
266 while($followup_contact = DBA::fetch($followup_contacts_stmt)) {
267 $recipients_followup[] = $followup_contact['id'];
269 DBA::close($followup_contacts_stmt);
273 if ($direct_forum_delivery) {
274 $push_notify = false;
277 Logger::log('Notify ' . $target_item["guid"] .' via PuSH: ' . ($push_notify ? "Yes":"No"), Logger::DEBUG);
281 Logger::info('Distributing directly', ['target' => $target_id, 'guid' => $target_item['guid']]);
283 // don't send deletions onward for other people's stuff
285 if ($target_item['deleted'] && !intval($target_item['wall'])) {
286 Logger::log('Ignoring delete notification for non-wall item');
290 if (strlen($parent['allow_cid'])
291 || strlen($parent['allow_gid'])
292 || strlen($parent['deny_cid'])
293 || strlen($parent['deny_gid'])) {
294 $public_message = false; // private recipients, not public
297 $aclFormatter = DI::aclFormatter();
299 $allow_people = $aclFormatter->expand($parent['allow_cid']);
300 $allow_groups = Group::expand($uid, $aclFormatter->expand($parent['allow_gid']),true);
301 $deny_people = $aclFormatter->expand($parent['deny_cid']);
302 $deny_groups = Group::expand($uid, $aclFormatter->expand($parent['deny_gid']));
304 // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
305 // a delivery fork. private groups (forum_mode == 2) do not uplink
307 if ((intval($parent['forum_mode']) == 1) && !$top_level && ($cmd !== Delivery::UPLINK)) {
308 Worker::add($a->queue['priority'], 'Notifier', Delivery::UPLINK, $target_id);
311 foreach ($items as $item) {
312 $recipients[] = $item['contact-id'];
313 // pull out additional tagged people to notify (if public message)
314 if ($public_message && strlen($item['inform'])) {
315 $people = explode(',',$item['inform']);
316 foreach ($people as $person) {
317 if (substr($person,0,4) === 'cid:') {
318 $recipients[] = intval(substr($person,4));
320 $url_recipients[] = substr($person,4);
326 if (count($url_recipients)) {
327 Logger::notice('Deliver', ['target' => $target_id, 'guid' => $target_item['guid'], 'recipients' => $url_recipients]);
330 $recipients = array_unique(array_merge($recipients, $allow_people, $allow_groups));
331 $deny = array_unique(array_merge($deny_people, $deny_groups));
332 $recipients = array_diff($recipients, $deny);
334 // If this is a public message and pubmail is set on the parent, include all your email contacts
336 function_exists('imap_open')
337 && !DI::config()->get('system','imap_disabled')
339 && intval($target_item['pubmail'])
341 $mail_contacts_stmt = DBA::select('contact', ['id'], ['uid' => $uid, 'network' => Protocol::MAIL]);
342 while ($mail_contact = DBA::fetch($mail_contacts_stmt)) {
343 $recipients[] = $mail_contact['id'];
345 DBA::close($mail_contacts_stmt);
349 // If the thread parent is OStatus then do some magic to distribute the messages.
350 // We have not only to look at the parent, since it could be a Friendica thread.
351 if (($thr_parent && ($thr_parent['network'] == Protocol::OSTATUS)) || ($parent['network'] == Protocol::OSTATUS)) {
352 $diaspora_delivery = false;
354 Logger::log('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent['author-id']." - Owner: ".$thr_parent['owner-id'], Logger::DEBUG);
356 // Send a salmon to the parent author
357 $probed_contact = DBA::selectFirst('contact', ['url', 'notify'], ['id' => $thr_parent['author-id']]);
358 if (DBA::isResult($probed_contact) && !empty($probed_contact["notify"])) {
359 Logger::log('Notify parent author '.$probed_contact["url"].': '.$probed_contact["notify"]);
360 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
363 // Send a salmon to the parent owner
364 $probed_contact = DBA::selectFirst('contact', ['url', 'notify'], ['id' => $thr_parent['owner-id']]);
365 if (DBA::isResult($probed_contact) && !empty($probed_contact["notify"])) {
366 Logger::log('Notify parent owner '.$probed_contact["url"].': '.$probed_contact["notify"]);
367 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
370 // Send a salmon notification to every person we mentioned in the post
371 foreach (Tag::getByURIId($target_item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION, Tag::IMPLICIT_MENTION]) as $tag) {
372 $probed_contact = Probe::uri($tag['url']);
373 if ($probed_contact["notify"] != "") {
374 Logger::log('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
375 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
379 // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
380 $networks = [Protocol::DFRN];
381 } elseif ($diaspora_delivery) {
382 $networks = [Protocol::DFRN, Protocol::DIASPORA, Protocol::MAIL];
383 if (($parent['network'] == Protocol::DIASPORA) || ($thr_parent['network'] == Protocol::DIASPORA)) {
384 Logger::info('Add AP contacts', ['target' => $target_id, 'guid' => $target_item['guid']]);
385 $networks[] = Protocol::ACTIVITYPUB;
388 $networks = [Protocol::DFRN, Protocol::MAIL];
391 $public_message = false;
394 if (empty($delivery_contacts_stmt)) {
396 $recipients = $recipients_followup;
398 $condition = ['id' => $recipients, 'self' => false,
399 'blocked' => false, 'pending' => false, 'archive' => false];
400 if (!empty($networks)) {
401 $condition['network'] = $networks;
403 $delivery_contacts_stmt = DBA::select('contact', ['id', 'addr', 'url', 'network', 'protocol', 'batch'], $condition);
407 $batch_delivery = false;
409 if ($public_message && !in_array($cmd, [Delivery::MAIL, Delivery::SUGGESTION]) && !$followup) {
412 if ($diaspora_delivery && !$unlisted) {
413 $batch_delivery = true;
415 $relay_list_stmt = DBA::p(
418 ANY_VALUE(`id`) AS `id`,
419 ANY_VALUE(`url`) AS `url`,
420 ANY_VALUE(`name`) AS `name`,
421 ANY_VALUE(`network`) AS `network`,
422 ANY_VALUE(`protocol`) AS `protocol`
436 $relay_list = DBA::toArray($relay_list_stmt);
438 // Fetch the participation list
439 // The function will ensure that there are no duplicates
440 $relay_list = Diaspora::participantsForThread($target_item, $relay_list);
442 // Add the relay to the list, avoid duplicates.
443 // Don't send community posts to the relay. Forum posts via the Diaspora protocol are looking ugly.
444 if (!$followup && !Item::isForumPost($target_item, $owner)) {
445 $relay_list = Diaspora::relayList($target_id, $relay_list);
449 $condition = ['network' => Protocol::DFRN, 'uid' => $owner['uid'], 'blocked' => false,
450 'pending' => false, 'archive' => false, 'rel' => [Contact::FOLLOWER, Contact::FRIEND]];
452 $r2 = DBA::toArray(DBA::select('contact', ['id', 'url', 'addr', 'name', 'network', 'protocol'], $condition));
454 $r = array_merge($r2, $relay_list);
456 if (DBA::isResult($r)) {
457 foreach ($r as $rr) {
458 // Ensure that local contacts are delivered via DFRN
459 if (Contact::isLocal($rr['url'])) {
460 $contact['network'] = Protocol::DFRN;
463 if (!empty($rr['addr']) && ($rr['network'] == Protocol::ACTIVITYPUB) && !DBA::exists('fcontact', ['addr' => $rr['addr']])) {
464 Logger::info('Contact is AP omly', ['target' => $target_id, 'contact' => $rr['url']]);
468 if (!empty($rr['id']) && Contact::isArchived($rr['id'])) {
469 Logger::info('Contact is archived', ['target' => $target_id, 'contact' => $rr['url']]);
473 if (self::isRemovalActivity($cmd, $owner, $rr['network'])) {
474 Logger::log('Skipping dropping for ' . $rr['url'] . ' since the network supports account removal commands.', Logger::DEBUG);
478 if (self::skipDFRN($rr, $target_item, $parent, $thr_parent, $cmd)) {
479 Logger::info('Contact can be delivered via AP, so skip delivery via legacy DFRN/Diaspora', ['id' => $target_id, 'url' => $rr['url']]);
483 $conversants[] = $rr['id'];
485 Logger::info('Public delivery', ['target' => $target_id, 'guid' => $target_item["guid"], 'to' => $rr]);
487 // Ensure that posts with our own protocol arrives before Diaspora posts arrive.
488 // Situation is that sometimes Friendica servers receive Friendica posts over the Diaspora protocol first.
489 // The conversion in Markdown reduces the formatting, so these posts should arrive after the Friendica posts.
490 // This is only important for high and medium priority tasks and not for Low priority jobs like deletions.
491 if (($rr['network'] == Protocol::DIASPORA) && in_array($a->queue['priority'], [PRIORITY_HIGH, PRIORITY_MEDIUM])) {
492 $deliver_options = ['priority' => $a->queue['priority'], 'dont_fork' => true];
494 $deliver_options = ['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true];
497 if (Worker::add($deliver_options, 'Delivery', $cmd, $target_id, (int)$rr['id'])) {
498 $delivery_queue_count++;
507 while ($contact = DBA::fetch($delivery_contacts_stmt)) {
508 // Ensure that local contacts are delivered via DFRN
509 if (Contact::isLocal($contact['url'])) {
510 $contact['network'] = Protocol::DFRN;
513 if (!empty($contact['addr']) && ($contact['network'] == Protocol::ACTIVITYPUB) && !DBA::exists('fcontact', ['addr' => $contact['addr']])) {
514 Logger::info('Contact is AP omly', ['target' => $target_id, 'contact' => $contact['url']]);
518 if (!empty($contact['id']) && Contact::isArchived($contact['id'])) {
519 Logger::info('Contact is archived', ['target' => $target_id, 'contact' => $contact['url']]);
523 if (self::isRemovalActivity($cmd, $owner, $contact['network'])) {
524 Logger::log('Skipping dropping for ' . $contact['url'] . ' since the network supports account removal commands.', Logger::DEBUG);
528 if (self::skipDFRN($contact, $target_item, $parent, $thr_parent, $cmd)) {
529 Logger::info('Contact can be delivered via AP, so skip delivery via legacy DFRN/Diaspora', ['target' => $target_id, 'url' => $contact['url']]);
533 // Don't deliver to Diaspora if it already had been done as batch delivery
534 if (($contact['network'] == Protocol::DIASPORA) && $batch_delivery) {
535 Logger::log('Already delivered id ' . $target_id . ' via batch to ' . json_encode($contact), Logger::DEBUG);
539 // Don't deliver to folks who have already been delivered to
540 if (in_array($contact['id'], $conversants)) {
541 Logger::log('Already delivered id ' . $target_id. ' to ' . json_encode($contact), Logger::DEBUG);
545 Logger::info('Delivery', ['id' => $target_id, 'to' => $contact]);
547 // Ensure that posts with our own protocol arrives before Diaspora posts arrive.
548 // Situation is that sometimes Friendica servers receive Friendica posts over the Diaspora protocol first.
549 // The conversion in Markdown reduces the formatting, so these posts should arrive after the Friendica posts.
550 if ($contact['network'] == Protocol::DIASPORA) {
551 $deliver_options = ['priority' => $a->queue['priority'], 'dont_fork' => true];
553 $deliver_options = ['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true];
556 if (Worker::add($deliver_options, 'Delivery', $cmd, $target_id, (int)$contact['id'])) {
557 $delivery_queue_count++;
560 DBA::close($delivery_contacts_stmt);
562 $url_recipients = array_filter($url_recipients);
563 // send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
564 // They are especially used for notifications to OStatus users that don't follow us.
565 if (!DI::config()->get('system', 'dfrn_only') && count($url_recipients) && ($public_message || $push_notify) && !empty($target_item)) {
566 $slap = OStatus::salmon($target_item, $owner);
567 foreach ($url_recipients as $url) {
568 Logger::log('Salmon delivery of item ' . $target_id . ' to ' . $url);
569 /// @TODO Redeliver/queue these items on failure, though there is no contact record
570 $delivery_queue_count++;
571 Salmon::slapper($owner, $url, $slap);
572 Post\DeliveryData::incrementQueueDone($target_item['uri-id'], Post\DeliveryData::OSTATUS);
576 // Notify PuSH subscribers (Used for OStatus distribution of regular posts)
578 Logger::log('Activating internal PuSH for item '.$target_id, Logger::DEBUG);
580 // Handling the pubsubhubbub requests
581 PushSubscriber::publishFeed($owner['uid'], $a->queue['priority']);
584 if (!empty($target_item)) {
585 Logger::log('Calling hooks for ' . $cmd . ' ' . $target_id, Logger::DEBUG);
587 Hook::fork($a->queue['priority'], 'notifier_normal', $target_item);
589 Hook::callAll('notifier_end', $target_item);
591 // Workaround for pure connector posts
592 if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
593 if ($delivery_queue_count == 0) {
594 Post\DeliveryData::incrementQueueDone($target_item['uri-id']);
595 $delivery_queue_count = 1;
598 Post\DeliveryData::incrementQueueCount($target_item['uri-id'], $delivery_queue_count);
606 * Checks if the current delivery process needs to be transported via DFRN.
608 * @param array $contact Receiver of the post
609 * @param array $item The post
610 * @param array $parent The parent
611 * @param array $thr_parent The thread parent
612 * @param string $cmd Notifier command
614 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
615 * @throws \ImagickException
617 private static function skipDFRN($contact, $item, $parent, $thr_parent, $cmd)
619 if (empty($parent['network'])) {
623 // Don't skip when the starting post is delivered via Diaspora
624 if ($parent['network'] == Protocol::DIASPORA) {
628 // Also don't skip when the direct thread parent was delivered via Diaspora
629 if ($thr_parent['network'] == Protocol::DIASPORA) {
633 // Use DFRN if we are on the same site
634 if (!empty($contact['url']) && Contact::isLocal($contact['url'])) {
638 // Don't skip when author or owner don't have AP profiles
639 if ((!empty($item['author-link']) && empty(APContact::getByURL($item['author-link'], false))) || (!empty($item['owner-link']) && empty(APContact::getByURL($item['owner-link'], false)))) {
643 // Don't skip DFRN delivery for these commands
644 if (in_array($cmd, [Delivery::SUGGESTION, Delivery::REMOVAL, Delivery::RELOCATION, Delivery::POKE])) {
648 // We deliver reshares via AP whenever possible
649 if (ActivityPub\Transmitter::isAnnounce($item)) {
653 // Skip DFRN when the item will be (forcefully) delivered via AP
654 if (DI::config()->get('debug', 'total_ap_delivery') && ($contact['network'] == Protocol::DFRN) && !empty(APContact::getByURL($contact['url'], false))) {
658 // Skip DFRN delivery if the contact speaks ActivityPub
659 return in_array($contact['network'], [Protocol::DFRN, Protocol::DIASPORA]) && ($contact['protocol'] == Protocol::ACTIVITYPUB);
663 * Checks if the current action is a deletion command of a account removal activity
664 * For Diaspora and ActivityPub we don't need to send single item deletion calls.
665 * These protocols do have a dedicated command for deleting a whole account.
667 * @param string $cmd Notifier command
668 * @param array $owner Sender of the post
669 * @param string $network Receiver network
671 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
672 * @throws \ImagickException
674 private static function isRemovalActivity($cmd, $owner, $network)
676 return ($cmd == Delivery::DELETION) && $owner['account_removed'] && in_array($network, [Protocol::ACTIVITYPUB, Protocol::DIASPORA]);
680 * @param int $self_user_id
681 * @param int $priority The priority the Notifier queue item was created with
682 * @param string $created The date the Notifier queue item was created on
684 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
685 * @throws \ImagickException
687 private static function notifySelfRemoval($self_user_id, $priority, $created)
689 $owner = User::getOwnerDataById($self_user_id);
694 $contacts_stmt = DBA::select('contact', [], ['self' => false, 'uid' => $self_user_id]);
695 if (!DBA::isResult($contacts_stmt)) {
699 while($contact = DBA::fetch($contacts_stmt)) {
700 Contact::terminateFriendship($owner, $contact, true);
702 DBA::close($contacts_stmt);
704 $inboxes = ActivityPub\Transmitter::fetchTargetInboxesforUser(0);
705 foreach ($inboxes as $inbox) {
706 Logger::info('Account removal via ActivityPub', ['uid' => $self_user_id, 'inbox' => $inbox]);
707 Worker::add(['priority' => PRIORITY_NEGLIGIBLE, 'created' => $created, 'dont_fork' => true],
708 'APDelivery', Delivery::REMOVAL, '', $inbox, $self_user_id);
716 * @param array $target_item
717 * @param array $parent
718 * @param array $thr_parent
719 * @param int $priority The priority the Notifier queue item was created with
720 * @param string $created The date the Notifier queue item was created on
721 * @return int The number of delivery tasks created
722 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
723 * @throws \ImagickException
725 private static function activityPubDelivery($cmd, array $target_item, array $parent, array $thr_parent, $priority, $created, $owner)
727 // Don't deliver via AP when the starting post is delivered via Diaspora
728 if ($parent['network'] == Protocol::DIASPORA) {
732 // Also don't deliver when the direct thread parent was delivered via Diaspora
733 if ($thr_parent['network'] == Protocol::DIASPORA) {
739 $uid = $target_item['contact-uid'] ?: $target_item['uid'];
741 if ($target_item['origin']) {
742 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($target_item, $uid);
743 Logger::log('Origin item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.', Logger::DEBUG);
744 } elseif (Item::isForumPost($target_item, $owner)) {
745 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($target_item, $uid, false, 0, true);
746 Logger::log('Forum item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.', Logger::DEBUG);
747 } elseif (!DBA::exists('conversation', ['item-uri' => $target_item['uri'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB])) {
748 Logger::log('Remote item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' is no AP post. It will not be distributed.', Logger::DEBUG);
750 } elseif ($parent['origin']) {
751 // Remote items are transmitted via the personal inboxes.
752 // Doing so ensures that the dedicated receiver will get the message.
753 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid, true, $target_item['id']);
754 Logger::log('Remote item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.', Logger::DEBUG);
757 if (empty($inboxes)) {
758 Logger::log('No inboxes found for item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . '. It will not be distributed.', Logger::DEBUG);
762 // Fill the item cache
763 ActivityPub\Transmitter::createCachedActivityFromItem($target_item['id'], true);
765 $delivery_queue_count = 0;
767 foreach ($inboxes as $inbox) {
768 Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'id' => $target_item['id'], 'inbox' => $inbox]);
770 if (Worker::add(['priority' => $priority, 'created' => $created, 'dont_fork' => true],
771 'APDelivery', $cmd, $target_item['id'], $inbox, $uid)) {
772 $delivery_queue_count++;
776 return $delivery_queue_count;