848 lines
34 KiB
PHP
848 lines
34 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Worker;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\Worker;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Conversation;
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use Friendica\Model\Group;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Model\PushSubscriber;
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use Friendica\Model\Tag;
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use Friendica\Model\User;
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use Friendica\Protocol\Activity;
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use Friendica\Protocol\ActivityPub;
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use Friendica\Protocol\Diaspora;
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use Friendica\Protocol\OStatus;
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use Friendica\Protocol\Salmon;
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use Friendica\Util\Network;
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use Friendica\Util\Strings;
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/*
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* The notifier is typically called with:
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*
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* Worker::add(PRIORITY_HIGH, "Notifier", COMMAND, ITEM_ID);
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*
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* where COMMAND is one of the constants that are defined in Worker/Delivery.php
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* and ITEM_ID is the id of the item in the database that needs to be sent to others.
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*/
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class Notifier
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{
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public static function execute(string $cmd, int $post_uriid, int $sender_uid = 0)
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{
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$a = DI::app();
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Logger::info('Invoked', ['cmd' => $cmd, 'target' => $post_uriid, 'sender_uid' => $sender_uid]);
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$target_id = $post_uriid;
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$top_level = false;
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$recipients = [];
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$url_recipients = [];
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$delivery_contacts_stmt = null;
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$target_item = [];
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$parent = [];
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$thr_parent = [];
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$items = [];
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$delivery_queue_count = 0;
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$ap_contacts = [];
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if ($cmd == Delivery::MAIL) {
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$message = DBA::selectFirst('mail', ['uid', 'contact-id'], ['id' => $target_id]);
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if (!DBA::isResult($message)) {
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return;
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}
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$uid = $message['uid'];
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$recipients[] = $message['contact-id'];
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$mail = ActivityPub\Transmitter::getItemArrayFromMail($target_id);
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$inboxes = ActivityPub\Transmitter::fetchTargetInboxes($mail, $uid, true);
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foreach ($inboxes as $inbox => $receivers) {
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$ap_contacts = array_merge($ap_contacts, $receivers);
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Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'target' => $target_id, 'inbox' => $inbox]);
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Worker::add(['priority' => Worker::PRIORITY_HIGH, 'created' => $a->getQueueValue('created'), 'dont_fork' => true],
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'APDelivery', $cmd, $target_id, $inbox, $uid, $receivers, $post_uriid);
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}
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} elseif ($cmd == Delivery::SUGGESTION) {
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$suggest = DI::fsuggest()->selectOneById($target_id);
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$uid = $suggest->uid;
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$recipients[] = $suggest->cid;
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} elseif ($cmd == Delivery::REMOVAL) {
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return self::notifySelfRemoval($target_id, $a->getQueueValue('priority'), $a->getQueueValue('created'));
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} elseif ($cmd == Delivery::RELOCATION) {
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$uid = $target_id;
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$condition = ['uid' => $target_id, 'self' => false, 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
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$delivery_contacts_stmt = DBA::select('contact', ['id', 'url', 'addr', 'network', 'protocol', 'batch'], $condition);
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} else {
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$post = Post::selectFirst(['id'], ['uri-id' => $post_uriid, 'uid' => $sender_uid]);
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if (!DBA::isResult($post)) {
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Logger::warning('Post not found', ['uri-id' => $post_uriid, 'uid' => $sender_uid]);
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return;
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}
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$target_id = $post['id'];
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// find ancestors
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$condition = ['id' => $target_id, 'visible' => true];
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$target_item = Post::selectFirst(Item::DELIVER_FIELDLIST, $condition);
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if (!DBA::isResult($target_item) || !intval($target_item['parent'])) {
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Logger::info('No target item', ['cmd' => $cmd, 'target' => $target_id]);
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return;
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}
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if (!empty($target_item['contact-uid'])) {
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$uid = $target_item['contact-uid'];
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} elseif (!empty($target_item['uid'])) {
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$uid = $target_item['uid'];
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} else {
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Logger::info('Only public users, quitting', ['target' => $target_id]);
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return;
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}
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$condition = ['parent' => $target_item['parent'], 'visible' => true];
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$params = ['order' => ['id']];
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$items_stmt = Post::select(Item::DELIVER_FIELDLIST, $condition, $params);
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if (!DBA::isResult($items_stmt)) {
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Logger::info('No item found', ['cmd' => $cmd, 'target' => $target_id]);
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return;
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}
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$items = Post::toArray($items_stmt);
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// avoid race condition with deleting entries
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if ($items[0]['deleted']) {
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foreach ($items as $item) {
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$item['deleted'] = 1;
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}
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}
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$top_level = $target_item['gravity'] == Item::GRAVITY_PARENT;
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}
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$owner = User::getOwnerDataById($uid);
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if (!$owner) {
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Logger::info('Owner not found', ['cmd' => $cmd, 'target' => $target_id]);
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return;
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}
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// Should the post be transmitted to Diaspora?
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$diaspora_delivery = ($owner['account-type'] != User::ACCOUNT_TYPE_COMMUNITY);
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// If this is a public conversation, notify the feed hub
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$public_message = true;
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$unlisted = false;
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// Do a PuSH
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$push_notify = false;
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// Deliver directly to a forum, don't PuSH
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$direct_forum_delivery = false;
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$followup = false;
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$recipients_followup = [];
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if (!empty($target_item) && !empty($items)) {
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$parent = $items[0];
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$fields = ['network', 'author-id', 'author-link', 'author-network', 'owner-id'];
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$condition = ['uri' => $target_item["thr-parent"], 'uid' => $target_item["uid"]];
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$thr_parent = Post::selectFirst($fields, $condition);
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if (empty($thr_parent)) {
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$thr_parent = $parent;
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}
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Logger::info('Got post', ['guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'network' => $target_item['network'], 'parent-network' => $parent['network'], 'thread-parent-network' => $thr_parent['network']]);
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if (!self::isRemovalActivity($cmd, $owner, Protocol::ACTIVITYPUB)) {
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$apdelivery = self::activityPubDelivery($cmd, $target_item, $parent, $thr_parent, $a->getQueueValue('priority'), $a->getQueueValue('created'), $owner);
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$ap_contacts = $apdelivery['contacts'];
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$delivery_queue_count += $apdelivery['count'];
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}
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// Only deliver threaded replies (comment to a comment) to Diaspora
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// when the original comment author does support the Diaspora protocol.
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if ($thr_parent['author-link'] && $target_item['parent-uri'] != $target_item['thr-parent']) {
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$diaspora_delivery = Diaspora::isSupportedByContactUrl($thr_parent['author-link']);
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if ($diaspora_delivery && empty($target_item['signed_text'])) {
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Logger::debug('Post has got no Diaspora signature, so there will be no Diaspora delivery', ['guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id']]);
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$diaspora_delivery = false;
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}
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Logger::info('Threaded comment', ['diaspora_delivery' => (int)$diaspora_delivery]);
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}
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$unlisted = $target_item['private'] == Item::UNLISTED;
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// This is IMPORTANT!!!!
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// We will only send a "notify owner to relay" or followup message if the referenced post
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// originated on our system by virtue of having our hostname somewhere
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// in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
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// if $parent['wall'] == 1 we will already have the parent message in our array
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// and we will relay the whole lot.
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$localhost = str_replace('www.','', DI::baseUrl()->getHostname());
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if (strpos($localhost,':')) {
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$localhost = substr($localhost,0,strpos($localhost,':'));
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}
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/**
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*
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* Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
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* have been known to cause runaway conditions which affected several servers, along with
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* permissions issues.
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*
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*/
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$relay_to_owner = false;
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if (!$top_level && ($parent['wall'] == 0) && (stristr($target_item['uri'],$localhost))) {
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$relay_to_owner = true;
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}
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// until the 'origin' flag has been in use for several months
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// we will just use it as a fallback test
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// later we will be able to use it as the primary test of whether or not to relay.
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if (!$target_item['origin']) {
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$relay_to_owner = false;
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}
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if ($parent['origin']) {
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$relay_to_owner = false;
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}
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// Special treatment for forum posts
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if (Item::isForumPost($target_item['uri-id'])) {
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$relay_to_owner = true;
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$direct_forum_delivery = true;
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}
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// Avoid that comments in a forum thread are sent to OStatus
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if (Item::isForumPost($parent['uri-id'])) {
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$direct_forum_delivery = true;
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}
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$exclusive_delivery = false;
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$exclusive_targets = Tag::getByURIId($parent['uri-id'], [Tag::EXCLUSIVE_MENTION]);
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if (!empty($exclusive_targets)) {
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$exclusive_delivery = true;
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Logger::info('Possible Exclusively delivering', ['uid' => $target_item['uid'], 'guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id']]);
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foreach ($exclusive_targets as $target) {
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if (Strings::compareLink($owner['url'], $target['url'])) {
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$exclusive_delivery = false;
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Logger::info('False Exclusively delivering', ['uid' => $target_item['uid'], 'guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'url' => $target['url']]);
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}
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}
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}
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if ($relay_to_owner) {
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// local followup to remote post
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$followup = true;
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$public_message = false; // not public
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$recipients = [$parent['contact-id']];
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$recipients_followup = [$parent['contact-id']];
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Logger::info('Followup', ['target' => $target_id, 'guid' => $target_item['guid'], 'to' => $parent['contact-id']]);
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if (($target_item['private'] != Item::PRIVATE) &&
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(strlen($target_item['allow_cid'].$target_item['allow_gid'].
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$target_item['deny_cid'].$target_item['deny_gid']) == 0))
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$push_notify = true;
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if (($thr_parent && ($thr_parent['network'] == Protocol::OSTATUS)) || ($parent['network'] == Protocol::OSTATUS)) {
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$push_notify = true;
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if ($parent["network"] == Protocol::OSTATUS) {
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// Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
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// Currently it is work at progress
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$condition = ['uid' => $uid, 'network' => Protocol::DFRN, 'blocked' => false, 'pending' => false, 'archive' => false];
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$followup_contacts_stmt = DBA::select('contact', ['id'], $condition);
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while($followup_contact = DBA::fetch($followup_contacts_stmt)) {
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$recipients_followup[] = $followup_contact['id'];
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}
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DBA::close($followup_contacts_stmt);
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}
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}
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if ($direct_forum_delivery) {
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$push_notify = false;
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}
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Logger::info('Notify ' . $target_item["guid"] .' via PuSH: ' . ($push_notify ? "Yes":"No"));
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} elseif ($exclusive_delivery) {
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$followup = true;
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foreach ($exclusive_targets as $target) {
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$cid = Contact::getIdForURL($target['url'], $uid, false);
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if ($cid) {
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$recipients_followup[] = $cid;
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Logger::info('Exclusively delivering', ['uid' => $target_item['uid'], 'guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'url' => $target['url']]);
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}
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}
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} else {
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$followup = false;
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Logger::info('Distributing directly', ['target' => $target_id, 'guid' => $target_item['guid']]);
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// don't send deletions onward for other people's stuff
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if ($target_item['deleted'] && !intval($target_item['wall'])) {
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Logger::notice('Ignoring delete notification for non-wall item');
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return;
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}
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if (strlen($parent['allow_cid'])
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|| strlen($parent['allow_gid'])
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|| strlen($parent['deny_cid'])
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|| strlen($parent['deny_gid'])) {
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$public_message = false; // private recipients, not public
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}
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$aclFormatter = DI::aclFormatter();
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$allow_people = $aclFormatter->expand($parent['allow_cid']);
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$allow_groups = Group::expand($uid, $aclFormatter->expand($parent['allow_gid']),true);
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$deny_people = $aclFormatter->expand($parent['deny_cid']);
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$deny_groups = Group::expand($uid, $aclFormatter->expand($parent['deny_gid']));
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foreach ($items as $item) {
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$recipients[] = $item['contact-id'];
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// pull out additional tagged people to notify (if public message)
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if ($public_message && strlen($item['inform'])) {
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$people = explode(',',$item['inform']);
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foreach ($people as $person) {
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if (substr($person,0,4) === 'cid:') {
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$recipients[] = intval(substr($person,4));
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} else {
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$url_recipients[] = substr($person,4);
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}
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}
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}
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}
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if (count($url_recipients)) {
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Logger::notice('Deliver', ['target' => $target_id, 'guid' => $target_item['guid'], 'recipients' => $url_recipients]);
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}
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$recipients = array_unique(array_merge($recipients, $allow_people, $allow_groups));
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$deny = array_unique(array_merge($deny_people, $deny_groups));
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$recipients = array_diff($recipients, $deny);
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// If this is a public message and pubmail is set on the parent, include all your email contacts
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if (
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function_exists('imap_open')
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&& !DI::config()->get('system','imap_disabled')
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&& $public_message
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&& intval($target_item['pubmail'])
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) {
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$mail_contacts_stmt = DBA::select('contact', ['id'], ['uid' => $uid, 'network' => Protocol::MAIL]);
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while ($mail_contact = DBA::fetch($mail_contacts_stmt)) {
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$recipients[] = $mail_contact['id'];
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}
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DBA::close($mail_contacts_stmt);
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}
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}
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// If the thread parent is OStatus then do some magic to distribute the messages.
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// We have not only to look at the parent, since it could be a Friendica thread.
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if (($thr_parent && ($thr_parent['network'] == Protocol::OSTATUS)) || ($parent['network'] == Protocol::OSTATUS)) {
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$diaspora_delivery = false;
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Logger::info('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent['author-id']." - Owner: ".$thr_parent['owner-id']);
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// Send a salmon to the parent author
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$probed_contact = DBA::selectFirst('contact', ['url', 'notify'], ['id' => $thr_parent['author-id']]);
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if (DBA::isResult($probed_contact) && !empty($probed_contact["notify"])) {
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Logger::notice('Notify parent author', ['url' => $probed_contact["url"], 'notify' => $probed_contact["notify"]]);
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$url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
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}
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// Send a salmon to the parent owner
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$probed_contact = DBA::selectFirst('contact', ['url', 'notify'], ['id' => $thr_parent['owner-id']]);
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if (DBA::isResult($probed_contact) && !empty($probed_contact["notify"])) {
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Logger::notice('Notify parent owner', ['url' => $probed_contact["url"], 'notify' => $probed_contact["notify"]]);
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$url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
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}
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// Send a salmon notification to every person we mentioned in the post
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foreach (Tag::getByURIId($target_item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION, Tag::IMPLICIT_MENTION]) as $tag) {
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$probed_contact = Contact::getByURL($tag['url']);
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if (!empty($probed_contact['notify'])) {
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Logger::notice('Notify mentioned user', ['url' => $probed_contact["url"], 'notify' => $probed_contact["notify"]]);
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$url_recipients[$probed_contact['notify']] = $probed_contact['notify'];
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}
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}
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// It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
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$networks = [Protocol::DFRN];
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} elseif ($diaspora_delivery) {
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$networks = [Protocol::DFRN, Protocol::DIASPORA, Protocol::MAIL];
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if (($parent['network'] == Protocol::DIASPORA) || ($thr_parent['network'] == Protocol::DIASPORA)) {
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Logger::info('Add AP contacts', ['target' => $target_id, 'guid' => $target_item['guid']]);
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$networks[] = Protocol::ACTIVITYPUB;
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}
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} else {
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$networks = [Protocol::DFRN, Protocol::MAIL];
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}
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} else {
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$public_message = false;
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}
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if (empty($delivery_contacts_stmt)) {
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if ($followup) {
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$recipients = $recipients_followup;
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}
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$condition = ['id' => $recipients, 'self' => false, 'uid' => [0, $uid],
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'blocked' => false, 'pending' => false, 'archive' => false];
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if (!empty($networks)) {
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$condition['network'] = $networks;
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}
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$delivery_contacts_stmt = DBA::select('contact', ['id', 'addr', 'url', 'network', 'protocol', 'batch'], $condition);
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}
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$conversants = [];
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$batch_delivery = false;
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if ($public_message && !in_array($cmd, [Delivery::MAIL, Delivery::SUGGESTION]) && !$followup) {
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$participants = [];
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if ($diaspora_delivery && !$unlisted) {
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$batch_delivery = true;
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|
|
|
$participants = DBA::selectToArray('contact', ['batch', 'network', 'protocol', 'id', 'url', 'name'],
|
|
["`network` = ? AND `batch` != '' AND `uid` = ? AND `rel` != ? AND NOT `blocked` AND NOT `pending` AND NOT `archive`", Protocol::DIASPORA, $owner['uid'], Contact::SHARING],
|
|
['group_by' => ['batch', 'network', 'protocol']]);
|
|
|
|
// Fetch the participation list
|
|
// The function will ensure that there are no duplicates
|
|
$participants = Diaspora::participantsForThread($target_item, $participants);
|
|
}
|
|
|
|
$condition = ['network' => Protocol::DFRN, 'uid' => $owner['uid'], 'blocked' => false,
|
|
'pending' => false, 'archive' => false, 'rel' => [Contact::FOLLOWER, Contact::FRIEND]];
|
|
|
|
$contacts = DBA::selectToArray('contact', ['id', 'url', 'addr', 'name', 'network', 'protocol'], $condition);
|
|
|
|
$conversants = array_merge($contacts, $participants);
|
|
|
|
$delivery_queue_count += self::delivery($cmd, $post_uriid, $sender_uid, $target_item, $thr_parent, $owner, $batch_delivery, true, $conversants, $ap_contacts, []);
|
|
|
|
$push_notify = true;
|
|
}
|
|
|
|
$contacts = DBA::toArray($delivery_contacts_stmt);
|
|
$delivery_queue_count += self::delivery($cmd, $post_uriid, $sender_uid, $target_item, $thr_parent, $owner, $batch_delivery, false, $contacts, $ap_contacts, $conversants);
|
|
|
|
$delivery_queue_count += self::deliverOStatus($target_id, $target_item, $owner, $url_recipients, $public_message, $push_notify);
|
|
|
|
if (!empty($target_item)) {
|
|
Logger::info('Calling hooks for ' . $cmd . ' ' . $target_id);
|
|
|
|
Hook::fork($a->getQueueValue('priority'), 'notifier_normal', $target_item);
|
|
|
|
Hook::callAll('notifier_end', $target_item);
|
|
|
|
// Workaround for pure connector posts
|
|
if ($cmd == Delivery::POST) {
|
|
if ($delivery_queue_count == 0) {
|
|
Post\DeliveryData::incrementQueueDone($target_item['uri-id']);
|
|
$delivery_queue_count = 1;
|
|
}
|
|
|
|
Post\DeliveryData::incrementQueueCount($target_item['uri-id'], $delivery_queue_count);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Deliver the message to the contacts
|
|
*
|
|
* @param string $cmd
|
|
* @param int $post_uriid
|
|
* @param int $sender_uid
|
|
* @param array $target_item
|
|
* @param array $thr_parent
|
|
* @param array $owner
|
|
* @param bool $batch_delivery
|
|
* @param array $contacts
|
|
* @param array $ap_contacts
|
|
* @param array $conversants
|
|
* @return int
|
|
* @throws InternalServerErrorException
|
|
* @throws Exception
|
|
*/
|
|
private static function delivery(string $cmd, int $post_uriid, int $sender_uid, array $target_item, array $thr_parent, array $owner, bool $batch_delivery, bool $in_batch, array $contacts, array $ap_contacts, array $conversants = [])
|
|
{
|
|
$a = DI::app();
|
|
$delivery_queue_count = 0;
|
|
|
|
if (!empty($target_item['verb']) && ($target_item['verb'] == Activity::ANNOUNCE)) {
|
|
Logger::notice('Announces are only delivery via ActivityPub', ['cmd' => $cmd, 'id' => $target_item['id'], 'guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'uri' => $target_item['uri']]);
|
|
return 0;
|
|
}
|
|
|
|
foreach ($contacts as $contact) {
|
|
// Direct delivery of local contacts
|
|
if (!in_array($cmd, [Delivery::RELOCATION, Delivery::SUGGESTION, Delivery::DELETION, Delivery::MAIL]) && $target_uid = User::getIdForURL($contact['url'])) {
|
|
if ($target_item['origin'] || ($target_item['network'] != Protocol::ACTIVITYPUB)) {
|
|
if ($target_uid != $target_item['uid']) {
|
|
$fields = ['protocol' => Conversation::PARCEL_LOCAL_DFRN, 'direction' => Conversation::PUSH, 'post-reason' => Item::PR_DIRECT];
|
|
Item::storeForUserByUriId($target_item['uri-id'], $target_uid, $fields, $target_item['uid']);
|
|
Logger::info('Delivered locally', ['cmd' => $cmd, 'id' => $target_item['id'], 'target' => $target_uid]);
|
|
} else {
|
|
Logger::info('No need to deliver to myself', ['uid' => $target_uid, 'guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'uri' => $target_item['uri']]);
|
|
}
|
|
} else {
|
|
Logger::info('Remote item does not need to be delivered locally', ['guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'uri' => $target_item['uri']]);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Deletions are always sent via DFRN as well.
|
|
// This is done until we can perform deletions of foreign comments on our own threads via AP.
|
|
if (($cmd != Delivery::DELETION) && in_array($contact['id'], $ap_contacts)) {
|
|
Logger::info('Contact is already delivered via AP, so skip delivery via legacy DFRN/Diaspora', ['target' => $post_uriid, 'uid' => $sender_uid, 'contact' => $contact['url']]);
|
|
continue;
|
|
}
|
|
|
|
if (!empty($contact['id']) && Contact::isArchived($contact['id'])) {
|
|
Logger::info('Contact is archived, so skip delivery', ['target' => $post_uriid, 'uid' => $sender_uid, 'contact' => $contact['url']]);
|
|
continue;
|
|
}
|
|
|
|
if (self::isRemovalActivity($cmd, $owner, $contact['network'])) {
|
|
Logger::info('Contact does no supports account removal commands, so skip delivery', ['target' => $post_uriid, 'uid' => $sender_uid, 'contact' => $contact['url']]);
|
|
continue;
|
|
}
|
|
|
|
if (self::skipActivityPubForDiaspora($contact, $target_item, $thr_parent)) {
|
|
Logger::info('Contact is from Diaspora, but the replied author is from ActivityPub, so skip delivery via Diaspora', ['id' => $post_uriid, 'uid' => $sender_uid, 'url' => $contact['url']]);
|
|
continue;
|
|
}
|
|
|
|
// Don't deliver to Diaspora if it already had been done as batch delivery
|
|
if (!$in_batch && $batch_delivery && ($contact['network'] == Protocol::DIASPORA)) {
|
|
Logger::info('Diaspora contact is already delivered via batch', ['id' => $post_uriid, 'uid' => $sender_uid, 'contact' => $contact]);
|
|
continue;
|
|
}
|
|
|
|
// Don't deliver to folks who have already been delivered to
|
|
if (in_array($contact['id'], $conversants)) {
|
|
Logger::info('Already delivery', ['id' => $post_uriid, 'uid' => $sender_uid, 'contact' => $contact]);
|
|
continue;
|
|
}
|
|
|
|
Logger::info('Delivery', ['batch' => $in_batch, 'target' => $post_uriid, 'uid' => $sender_uid, 'guid' => $target_item['guid'] ?? '', 'to' => $contact]);
|
|
|
|
// Ensure that posts with our own protocol arrives before Diaspora posts arrive.
|
|
// Situation is that sometimes Friendica servers receive Friendica posts over the Diaspora protocol first.
|
|
// The conversion in Markdown reduces the formatting, so these posts should arrive after the Friendica posts.
|
|
// This is only important for high and medium priority tasks and not for Low priority jobs like deletions.
|
|
if (($contact['network'] == Protocol::DIASPORA) && in_array($a->getQueueValue('priority'), [Worker::PRIORITY_HIGH, Worker::PRIORITY_MEDIUM])) {
|
|
$deliver_options = ['priority' => $a->getQueueValue('priority'), 'dont_fork' => true];
|
|
} else {
|
|
$deliver_options = ['priority' => $a->getQueueValue('priority'), 'created' => $a->getQueueValue('created'), 'dont_fork' => true];
|
|
}
|
|
|
|
if (Worker::add($deliver_options, 'Delivery', $cmd, $post_uriid, (int)$contact['id'], $sender_uid)) {
|
|
$delivery_queue_count++;
|
|
}
|
|
Worker::coolDown();
|
|
}
|
|
return $delivery_queue_count;
|
|
}
|
|
|
|
/**
|
|
* Deliver the message via OStatus
|
|
*
|
|
* @param int $target_id
|
|
* @param array $target_item
|
|
* @param array $owner
|
|
* @param array $url_recipients
|
|
* @param bool $public_message
|
|
* @param bool $push_notify
|
|
* @return int
|
|
* @throws InternalServerErrorException
|
|
* @throws Exception
|
|
*/
|
|
private static function deliverOStatus(int $target_id, array $target_item, array $owner, array $url_recipients, bool $public_message, bool $push_notify)
|
|
{
|
|
$a = DI::app();
|
|
$delivery_queue_count = 0;
|
|
|
|
$url_recipients = array_filter($url_recipients);
|
|
// send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
|
|
// They are especially used for notifications to OStatus users that don't follow us.
|
|
if (count($url_recipients) && ($public_message || $push_notify) && !empty($target_item)) {
|
|
$slap = OStatus::salmon($target_item, $owner);
|
|
foreach ($url_recipients as $url) {
|
|
Logger::info('Salmon delivery', ['item' => $target_id, 'to' => $url]);
|
|
|
|
$delivery_queue_count++;
|
|
Salmon::slapper($owner, $url, $slap);
|
|
Post\DeliveryData::incrementQueueDone($target_item['uri-id'], Post\DeliveryData::OSTATUS);
|
|
}
|
|
}
|
|
|
|
// Notify PuSH subscribers (Used for OStatus distribution of regular posts)
|
|
if ($push_notify) {
|
|
Logger::info('Activating internal PuSH', ['item' => $target_id]);
|
|
|
|
// Handling the pubsubhubbub requests
|
|
PushSubscriber::publishFeed($owner['uid'], $a->getQueueValue('priority'));
|
|
}
|
|
return $delivery_queue_count;
|
|
}
|
|
|
|
/**
|
|
* Checks if the current delivery shouldn't be transported to Diaspora.
|
|
* This is done for posts from AP authors or posts that are comments to AP authors.
|
|
*
|
|
* @param array $contact Receiver of the post
|
|
* @param array $item The post
|
|
* @param array $thr_parent The thread parent
|
|
* @return bool
|
|
*/
|
|
private static function skipActivityPubForDiaspora(array $contact, array $item, array $thr_parent)
|
|
{
|
|
// No skipping needs to be done when delivery isn't done to Diaspora
|
|
if ($contact['network'] != Protocol::DIASPORA) {
|
|
return false;
|
|
}
|
|
|
|
// Skip the delivery to Diaspora if the item is from an ActivityPub author
|
|
if (!empty($item['author-network']) && ($item['author-network'] == Protocol::ACTIVITYPUB)) {
|
|
return true;
|
|
}
|
|
|
|
// Skip the delivery to Diaspora if the thread parent is from an ActivityPub author
|
|
if (!empty($thr_parent['author-network']) && ($thr_parent['author-network'] == Protocol::ACTIVITYPUB)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks if the current action is a deletion command of a account removal activity
|
|
* For Diaspora and ActivityPub we don't need to send single item deletion calls.
|
|
* These protocols do have a dedicated command for deleting a whole account.
|
|
*
|
|
* @param string $cmd Notifier command
|
|
* @param array $owner Sender of the post
|
|
* @param string $network Receiver network
|
|
* @return bool
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function isRemovalActivity($cmd, $owner, $network)
|
|
{
|
|
return ($cmd == Delivery::DELETION) && $owner['account_removed'] && in_array($network, [Protocol::ACTIVITYPUB, Protocol::DIASPORA]);
|
|
}
|
|
|
|
/**
|
|
* @param int $self_user_id
|
|
* @param int $priority The priority the Notifier queue item was created with
|
|
* @param string $created The date the Notifier queue item was created on
|
|
* @return bool
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function notifySelfRemoval($self_user_id, $priority, $created)
|
|
{
|
|
$owner = User::getOwnerDataById($self_user_id);
|
|
if (empty($self_user_id) || empty($owner)) {
|
|
return false;
|
|
}
|
|
|
|
$contacts_stmt = DBA::select('contact', [], ['self' => false, 'uid' => $self_user_id]);
|
|
if (!DBA::isResult($contacts_stmt)) {
|
|
return false;
|
|
}
|
|
|
|
while($contact = DBA::fetch($contacts_stmt)) {
|
|
Contact::terminateFriendship($contact);
|
|
}
|
|
DBA::close($contacts_stmt);
|
|
|
|
$inboxes = ActivityPub\Transmitter::fetchTargetInboxesforUser($self_user_id);
|
|
foreach ($inboxes as $inbox => $receivers) {
|
|
Logger::info('Account removal via ActivityPub', ['uid' => $self_user_id, 'inbox' => $inbox]);
|
|
Worker::add(['priority' => Worker::PRIORITY_NEGLIGIBLE, 'created' => $created, 'dont_fork' => true],
|
|
'APDelivery', Delivery::REMOVAL, 0, $inbox, $self_user_id, $receivers);
|
|
Worker::coolDown();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $cmd
|
|
* @param array $target_item
|
|
* @param array $parent
|
|
* @param array $thr_parent
|
|
* @param int $priority The priority the Notifier queue item was created with
|
|
* @param string $created The date the Notifier queue item was created on
|
|
* @return array 'count' => The number of delivery tasks created, 'contacts' => their contact ids
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function activityPubDelivery($cmd, array $target_item, array $parent, array $thr_parent, $priority, $created, $owner)
|
|
{
|
|
// Don't deliver via AP when the starting post isn't from a federated network
|
|
if (!in_array($parent['network'], Protocol::FEDERATED)) {
|
|
Logger::info('Parent network is no federated network, so no AP delivery', ['network' => $parent['network']]);
|
|
return ['count' => 0, 'contacts' => []];
|
|
}
|
|
|
|
// Don't deliver via AP when the starting post is delivered via Diaspora
|
|
if ($parent['network'] == Protocol::DIASPORA) {
|
|
Logger::info('Parent network is Diaspora, so no AP delivery');
|
|
return ['count' => 0, 'contacts' => []];
|
|
}
|
|
|
|
// Also don't deliver when the direct thread parent was delivered via Diaspora
|
|
if ($thr_parent['network'] == Protocol::DIASPORA) {
|
|
Logger::info('Thread parent network is Diaspora, so no AP delivery');
|
|
return ['count' => 0, 'contacts' => []];
|
|
}
|
|
|
|
// Posts from Diaspora contacts are transmitted via Diaspora
|
|
if ($target_item['network'] == Protocol::DIASPORA) {
|
|
Logger::info('Post network is Diaspora, so no AP delivery');
|
|
return ['count' => 0, 'contacts' => []];
|
|
}
|
|
|
|
$inboxes = [];
|
|
$relay_inboxes = [];
|
|
|
|
$uid = $target_item['contact-uid'] ?: $target_item['uid'];
|
|
|
|
// Update the locally stored follower list when we deliver to a forum
|
|
foreach (Tag::getByURIId($target_item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
|
|
$target_contact = Contact::getByURL(Strings::normaliseLink($tag['url']), null, [], $uid);
|
|
if ($target_contact && $target_contact['contact-type'] == Contact::TYPE_COMMUNITY && $target_contact['manually-approve']) {
|
|
Group::updateMembersForForum($target_contact['id']);
|
|
}
|
|
}
|
|
|
|
if ($target_item['origin']) {
|
|
$inboxes = ActivityPub\Transmitter::fetchTargetInboxes($target_item, $uid);
|
|
|
|
if (in_array($target_item['private'], [Item::PUBLIC])) {
|
|
$inboxes = ActivityPub\Transmitter::addRelayServerInboxesForItem($target_item['id'], $inboxes);
|
|
$relay_inboxes = ActivityPub\Transmitter::addRelayServerInboxes();
|
|
}
|
|
|
|
Logger::info('Origin item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.');
|
|
} elseif (!Post\Activity::exists($target_item['uri-id'])) {
|
|
Logger::info('Remote item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' is no AP post. It will not be distributed.');
|
|
return ['count' => 0, 'contacts' => []];
|
|
} elseif ($parent['origin']) {
|
|
$inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid, false, $target_item['id']);
|
|
|
|
if (in_array($target_item['private'], [Item::PUBLIC])) {
|
|
$inboxes = ActivityPub\Transmitter::addRelayServerInboxesForItem($parent['id'], $inboxes);
|
|
}
|
|
|
|
Logger::info('Remote item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . ' will be distributed.');
|
|
}
|
|
|
|
if (empty($inboxes) && empty($relay_inboxes)) {
|
|
Logger::info('No inboxes found for item ' . $target_item['id'] . ' with URL ' . $target_item['uri'] . '. It will not be distributed.');
|
|
return ['count' => 0, 'contacts' => []];
|
|
}
|
|
|
|
// Fill the item cache
|
|
ActivityPub\Transmitter::createCachedActivityFromItem($target_item['id'], true);
|
|
|
|
$delivery_queue_count = 0;
|
|
$contacts = [];
|
|
|
|
foreach ($inboxes as $inbox => $receivers) {
|
|
$contacts = array_merge($contacts, $receivers);
|
|
|
|
if ((count($receivers) == 1) && Network::isLocalLink($inbox)) {
|
|
$contact = Contact::getById($receivers[0], ['url']);
|
|
if (!in_array($cmd, [Delivery::RELOCATION, Delivery::SUGGESTION, Delivery::DELETION, Delivery::MAIL]) && ($target_uid = User::getIdForURL($contact['url']))) {
|
|
if ($target_item['origin'] || ($target_item['network'] != Protocol::ACTIVITYPUB)) {
|
|
if ($target_uid != $target_item['uid']) {
|
|
$fields = ['protocol' => Conversation::PARCEL_LOCAL_DFRN, 'direction' => Conversation::PUSH, 'post-reason' => Item::PR_BCC];
|
|
Item::storeForUserByUriId($target_item['uri-id'], $target_uid, $fields, $target_item['uid']);
|
|
Logger::info('Delivered locally', ['cmd' => $cmd, 'id' => $target_item['id'], 'inbox' => $inbox]);
|
|
} else {
|
|
Logger::info('No need to deliver to myself', ['uid' => $target_uid, 'guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'uri' => $target_item['uri']]);
|
|
}
|
|
} else {
|
|
Logger::info('Remote item does not need to be delivered locally', ['guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'uri' => $target_item['uri']]);
|
|
}
|
|
continue;
|
|
}
|
|
} elseif ((count($receivers) >= 1) && Network::isLocalLink($inbox)) {
|
|
Logger::info('Is this a thing?', ['guid' => $target_item['guid'], 'uri-id' => $target_item['uri-id'], 'uri' => $target_item['uri']]);
|
|
}
|
|
|
|
Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'id' => $target_item['id'], 'inbox' => $inbox]);
|
|
|
|
if (DI::config()->get('system', 'bulk_delivery')) {
|
|
$delivery_queue_count++;
|
|
Post\Delivery::add($target_item['uri-id'], $uid, $inbox, $target_item['created'], $cmd, $receivers);
|
|
Worker::add(Worker::PRIORITY_HIGH, 'APDelivery', '', 0, $inbox, 0);
|
|
} else {
|
|
if (Worker::add(['priority' => $priority, 'created' => $created, 'dont_fork' => true],
|
|
'APDelivery', $cmd, $target_item['id'], $inbox, $uid, $receivers, $target_item['uri-id'])) {
|
|
$delivery_queue_count++;
|
|
}
|
|
}
|
|
Worker::coolDown();
|
|
}
|
|
|
|
// We deliver posts to relay servers slightly delayed to priorize the direct delivery
|
|
foreach ($relay_inboxes as $inbox) {
|
|
Logger::info('Delivery to relay servers via ActivityPub', ['cmd' => $cmd, 'id' => $target_item['id'], 'inbox' => $inbox]);
|
|
|
|
if (DI::config()->get('system', 'bulk_delivery')) {
|
|
$delivery_queue_count++;
|
|
Post\Delivery::add($target_item['uri-id'], $uid, $inbox, $target_item['created'], $cmd, []);
|
|
Worker::add(Worker::PRIORITY_MEDIUM, 'APDelivery', '', 0, $inbox, 0);
|
|
} else {
|
|
if (Worker::add(['priority' => $priority, 'dont_fork' => true], 'APDelivery', $cmd, $target_item['id'], $inbox, $uid, [], $target_item['uri-id'])) {
|
|
$delivery_queue_count++;
|
|
}
|
|
}
|
|
Worker::coolDown();
|
|
}
|
|
|
|
return ['count' => $delivery_queue_count, 'contacts' => $contacts];
|
|
}
|
|
}
|