mirror of
https://github.com/friendica/friendica
synced 2024-12-23 10:00:20 +00:00
592 lines
22 KiB
PHP
592 lines
22 KiB
PHP
<?php
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// Copyright (C) 2010-2024, the Friendica project
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// SPDX-FileCopyrightText: 2010-2024 the Friendica project
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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namespace Friendica\Protocol;
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use Friendica\Contact\FriendSuggest\Collection\FriendSuggests;
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use Friendica\Contact\FriendSuggest\Exception\FriendSuggestNotFoundException;
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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\Database;
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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\GServer;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Model\User;
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use Friendica\Util\Network;
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class Delivery
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{
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const MAIL = 'mail';
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const SUGGESTION = 'suggest';
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const RELOCATION = 'relocate';
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const DELETION = 'drop';
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const POST = 'wall-new';
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const REMOVAL = 'removeme';
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const PROFILEUPDATE = 'profileupdate';
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/**
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* Deliver posts to other systems
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*
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* @param string $cmd
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* @param integer $post_uriid
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* @param integer $contact_id
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* @param integer $sender_uid
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* @return bool "false" on remote system error. "true" when delivery was successful or we shouldn't retry.
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*/
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public static function deliver(string $cmd, int $post_uriid, int $contact_id, int $sender_uid = 0): bool
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{
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Logger::info('Invoked', ['cmd' => $cmd, 'target' => $post_uriid, 'sender_uid' => $sender_uid, 'contact' => $contact_id]);
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$top_level = false;
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$followup = false;
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$public_message = false;
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$items = [];
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if ($cmd == self::MAIL) {
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$target_item = DBA::selectFirst('mail', [], ['id' => $post_uriid]);
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if (!DBA::isResult($target_item)) {
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return true;
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}
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$uid = $target_item['uid'];
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} elseif ($cmd == self::SUGGESTION) {
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try {
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$target_item = DI::fsuggest()->selectOneById($post_uriid)->toArray();
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} catch (FriendSuggestNotFoundException $e) {
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DI::logger()->info('Cannot find FriendSuggestion', ['id' => $post_uriid]);
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return true;
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}
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$uid = $target_item['uid'];
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} elseif ($cmd == self::RELOCATION) {
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$uid = $post_uriid;
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$target_item = [];
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} else {
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$item = Post::selectFirst(['id', 'parent'], ['uri-id' => $post_uriid, 'uid' => $sender_uid]);
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if (!DBA::isResult($item) || empty($item['parent'])) {
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Logger::warning('Post not found', ['uri-id' => $post_uriid, 'uid' => $sender_uid]);
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return true;
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}
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$target_id = intval($item['id']);
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$parent_id = intval($item['parent']);
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$condition = ['id' => [$target_id, $parent_id], 'visible' => true];
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$params = ['order' => ['id']];
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$itemdata = Post::select(Item::DELIVER_FIELDLIST, $condition, $params);
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while ($item = Post::fetch($itemdata)) {
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if ($item['verb'] == Activity::ANNOUNCE) {
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continue;
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}
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if ($item['id'] == $parent_id) {
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$parent = $item;
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}
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if ($item['id'] == $target_id) {
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$target_item = $item;
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}
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$items[] = $item;
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}
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DBA::close($itemdata);
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if (empty($target_item)) {
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Logger::warning("No target item data. Quitting here.", ['id' => $target_id]);
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return true;
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}
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if (empty($parent)) {
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Logger::warning('Parent ' . $parent_id . ' for item ' . $target_id . "wasn't found. Quitting here.");
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self::setFailedQueue($cmd, $target_item);
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return true;
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}
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if (!empty($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 for item ' . $target_id);
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self::setFailedQueue($cmd, $target_item);
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return true;
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}
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$condition = ['uri' => $target_item['thr-parent'], 'uid' => $target_item['uid']];
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$thr_parent = Post::selectFirst(['network', 'object'], $condition);
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if (!DBA::isResult($thr_parent)) {
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// Shouldn't happen. But when this does, we just take the parent as thread parent.
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// That's totally okay for what we use this variable here.
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$thr_parent = $parent;
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}
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if (!empty($contact_id) && Contact::isArchived($contact_id)) {
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Logger::info('Contact is archived', ['id' => $contact_id, 'cmd' => $cmd, 'item' => $target_item['id']]);
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self::setFailedQueue($cmd, $target_item);
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return true;
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}
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// avoid race condition with deleting entries
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if ($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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// 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 = DI::baseUrl()->getHost();
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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 line. 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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if (!$top_level && ($parent['wall'] == 0) && stristr($target_item['uri'], $localhost)) {
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Logger::info('Followup ' . $target_item["guid"]);
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// local followup to remote post
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$followup = true;
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}
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if (empty($parent['allow_cid'])
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&& empty($parent['allow_gid'])
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&& empty($parent['deny_cid'])
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&& empty($parent['deny_gid'])
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&& ($parent['private'] != Item::PRIVATE)) {
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$public_message = true;
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}
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}
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if (empty($items)) {
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Logger::warning('No delivery data', ['command' => $cmd, 'uri-id' => $post_uriid, 'cid' => $contact_id]);
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}
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$owner = User::getOwnerDataById($uid);
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if (!DBA::isResult($owner)) {
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self::setFailedQueue($cmd, $target_item);
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return true;
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}
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// We don't deliver our items to blocked, archived or pending contacts, and not to ourselves either
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$contact = DBA::selectFirst('contact', [],
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['id' => $contact_id, 'archive' => false, 'blocked' => false, 'pending' => false, 'self' => false]
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);
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if (!DBA::isResult($contact)) {
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self::setFailedQueue($cmd, $target_item);
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return true;
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}
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if (Network::isUrlBlocked($contact['url'])) {
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self::setFailedQueue($cmd, $target_item);
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return true;
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}
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$protocol = GServer::getProtocol($contact['gsid'] ?? 0);
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// Transmit via Diaspora if the thread had started as Diaspora post.
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// Also transmit via Diaspora if this is a direct answer to a Diaspora comment.
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// This is done since the uri wouldn't match (Diaspora doesn't transmit it)
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// Also transmit relayed posts from Diaspora contacts via Diaspora.
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if (($contact['network'] != Protocol::DIASPORA) && in_array(Protocol::DIASPORA, [$parent['network'] ?? '', $thr_parent['network'] ?? '', $target_item['network'] ?? ''])) {
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Logger::info('Enforcing the Diaspora protocol', ['id' => $contact['id'], 'network' => $contact['network'], 'parent' => $parent['network'], 'thread-parent' => $thr_parent['network'], 'post' => $target_item['network']]);
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$contact['network'] = Protocol::DIASPORA;
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}
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Logger::notice('Delivering', ['cmd' => $cmd, 'uri-id' => $post_uriid, 'followup' => $followup, 'network' => $contact['network']]);
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switch ($contact['network']) {
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case Protocol::DFRN:
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$success = self::deliverDFRN($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup, $protocol);
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break;
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case Protocol::DIASPORA:
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$success = self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
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break;
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case Protocol::MAIL:
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$success = self::deliverMail($cmd, $contact, $owner, $target_item, $thr_parent);
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break;
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default:
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$success = true;
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break;
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}
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return $success;
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}
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/**
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* Increased the "failed" counter in the item delivery data
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*
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* @param string $cmd Command
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* @param array $item Item array
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*
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* @return void
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*/
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private static function setFailedQueue(string $cmd, array $item)
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{
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if ($cmd != Delivery::POST) {
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return;
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}
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Post\DeliveryData::incrementQueueFailed($item['uri-id'] ?? $item['id']);
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}
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/**
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* Deliver content via DFRN
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*
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* @param string $cmd Command
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* @param array $contact Contact record of the receiver
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* @param array $owner Owner record of the sender
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* @param array $items Item record of the content and the parent
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* @param array $target_item Item record of the content
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* @param boolean $public_message Is the content public?
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* @param boolean $top_level Is it a thread starter?
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* @param boolean $followup Is it an answer to a remote post?
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* @param int|null $server_protocol The protocol of the server
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*
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* @return bool "false" on remote system error. "true" when delivery was successful or we shouldn't retry.
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function deliverDFRN(string $cmd, array $contact, array $owner, array $items, array $target_item, bool $public_message, bool $top_level, bool $followup, int $server_protocol = null): bool
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{
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$target_item_id = $target_item['guid'] ?? '' ?: $target_item['id'] ?? null;
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// Transmit Diaspora reshares via Diaspora if the Friendica contact support Diaspora
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if (Diaspora::getReshareDetails($target_item) && Diaspora::isSupportedByContactUrl($contact['addr'])) {
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Logger::info('Reshare will be transmitted via Diaspora', ['url' => $contact['url'], 'guid' => $target_item_id]);
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return self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
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}
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Logger::info('Deliver ' . ($target_item_id ?? 'relocation') . ' via DFRN to ' . ($contact['addr'] ?? '' ?: $contact['url']));
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if ($cmd == self::MAIL) {
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$item = $target_item;
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$item['body'] = Item::fixPrivatePhotos($item['body'], $owner['uid'], null, $item['contact-id']);
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$atom = DFRN::mail($item, $owner);
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} elseif ($cmd == self::SUGGESTION) {
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$item = $target_item;
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$atom = DFRN::fsuggest($item, $owner);
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DI::fsuggest()->delete(new FriendSuggests([DI::fsuggest()->selectOneById($item['id'])]));
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} elseif ($cmd == self::RELOCATION) {
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$atom = DFRN::relocate($owner, $owner['uid']);
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} elseif ($followup) {
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$msgitems = [$target_item];
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$atom = DFRN::entries($msgitems, $owner);
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} else {
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if ($target_item['deleted']) {
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$msgitems = [$target_item];
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} else {
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$msgitems = [];
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foreach ($items as $item) {
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// Only add the parent when we don't delete other items.
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if (($target_item['id'] == $item['id']) || ($cmd != self::DELETION)) {
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$item['entry:comment-allow'] = true;
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$item['entry:cid'] = ($top_level ? $contact['id'] : 0);
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$msgitems[] = $item;
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}
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}
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}
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$atom = DFRN::entries($msgitems, $owner);
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}
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Logger::debug('Notifier entry: ' . $contact['url'] . ' ' . ($target_item_id ?? 'relocation') . ' entry: ' . $atom);
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$protocol = Post\DeliveryData::DFRN;
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// We don't have a relationship with contacts on a public post.
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// Se we transmit with the new method and via Diaspora as a fallback
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if (!empty($items) && (($items[0]['uid'] == 0) || ($contact['uid'] == 0))) {
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// Transmit in public if it's a relay post
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$public_dfrn = ($contact['contact-type'] == Contact::TYPE_RELAY);
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$deliver_status = DFRN::transmit($owner, $contact, $atom, $public_dfrn);
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// We never spool failed relay deliveries
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if ($public_dfrn) {
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Logger::info('Relay delivery to ' . $contact['url'] . ' with guid ' . $target_item['guid'] . ' returns ' . $deliver_status);
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$success = ($deliver_status >= 200) && ($deliver_status <= 299);
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if ($cmd == Delivery::POST) {
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Post\DeliveryData::incrementQueueDone($target_item['uri-id'], $protocol);
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GServer::setProtocol($contact['gsid'] ?? 0, $protocol);
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} else {
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Post\DeliveryData::incrementQueueFailed($target_item['uri-id']);
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}
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return $success;
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}
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if ((($deliver_status < 200) || ($deliver_status > 299)) && (empty($server_protocol) || ($server_protocol == Post\DeliveryData::LEGACY_DFRN))) {
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// Transmit via Diaspora if not possible via Friendica
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return self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
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}
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} else {
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// DFRN payload over Diaspora transport layer
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$deliver_status = DFRN::transmit($owner, $contact, $atom);
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}
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Logger::info('DFRN Delivery', ['cmd' => $cmd, 'url' => $contact['url'], 'guid' => $target_item_id, 'return' => $deliver_status]);
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if (($deliver_status >= 200) && ($deliver_status <= 299)) {
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// We successfully delivered a message, the contact is alive
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Contact::unmarkForArchival($contact);
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GServer::setProtocol($contact['gsid'] ?? 0, $protocol);
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if ($cmd == Delivery::POST) {
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Post\DeliveryData::incrementQueueDone($target_item['uri-id'], $protocol);
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}
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$success = true;
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} else {
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// The message could not be delivered. We mark the contact as "dead"
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Contact::markForArchival($contact);
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Logger::info('Delivery failed: defer message', ['id' => $target_item_id]);
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if (!Worker::defer() && $cmd == Delivery::POST) {
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Post\DeliveryData::incrementQueueFailed($target_item['uri-id']);
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}
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$success = false;
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}
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return $success;
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}
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/**
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* Deliver content via Diaspora
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*
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* @param string $cmd Command
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* @param array $contact Contact record of the receiver
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* @param array $owner Owner record of the sender
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* @param array $items Item record of the content and the parent
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* @param array $target_item Item record of the content
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* @param boolean $public_message Is the content public?
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* @param boolean $top_level Is it a thread starter?
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* @param boolean $followup Is it an answer to a remote post?
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*
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* @return bool "false" on remote system error. "true" when delivery was successful or we shouldn't retry.
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function deliverDiaspora(string $cmd, array $contact, array $owner, array $items, array $target_item, bool $public_message, bool $top_level, bool $followup): bool
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{
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// We don't treat group posts as "wall-to-wall" to be able to post them via Diaspora
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$walltowall = $top_level && ($owner['id'] != $items[0]['contact-id']) & ($owner['account-type'] != User::ACCOUNT_TYPE_COMMUNITY);
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if ($public_message) {
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$loc = 'public batch ' . $contact['batch'];
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} else {
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$loc = $contact['addr'];
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}
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Logger::notice('Deliver via Diaspora', ['target' => $target_item['id'], 'guid' => $target_item['guid'], 'to' => $loc]);
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if (!DI::config()->get('system', 'diaspora_enabled')) {
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return true;
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}
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if ($cmd == self::MAIL) {
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$deliver_status = Diaspora::sendMail($target_item, $owner, $contact);
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return ($deliver_status >= 200) && ($deliver_status <= 299);
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}
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if ($cmd == self::SUGGESTION) {
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return true;
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}
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if (!$contact['pubkey'] && !$public_message) {
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return true;
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}
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if ($cmd == self::RELOCATION) {
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$deliver_status = Diaspora::sendAccountMigration($owner, $contact, $owner['uid']);
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} elseif ($target_item['deleted'] && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
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// top-level retraction
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Logger::notice('diaspora retract: ' . $loc);
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$deliver_status = Diaspora::sendRetraction($target_item, $owner, $contact, $public_message);
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} elseif ($followup) {
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// send comments and likes to owner to relay
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Logger::notice('diaspora followup: ' . $loc);
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$deliver_status = Diaspora::sendFollowup($target_item, $owner, $contact, $public_message);
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} elseif ($target_item['uri'] !== $target_item['parent-uri']) {
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// we are the relay - send comments, likes and relayable_retractions to our conversants
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Logger::notice('diaspora relay: ' . $loc);
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$deliver_status = Diaspora::sendRelay($target_item, $owner, $contact, $public_message);
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} elseif ($top_level && !$walltowall) {
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// currently no workable solution for sending walltowall
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Logger::notice('diaspora status: ' . $loc);
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$deliver_status = Diaspora::sendStatus($target_item, $owner, $contact, $public_message);
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} else {
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Logger::warning('Unknown mode', ['command' => $cmd, 'target' => $loc]);
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return true;
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}
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if (($deliver_status >= 200) && ($deliver_status <= 299)) {
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// We successfully delivered a message, the contact is alive
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Contact::unmarkForArchival($contact);
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GServer::setProtocol($contact['gsid'] ?? 0, Post\DeliveryData::DIASPORA);
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if ($cmd == Delivery::POST) {
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Post\DeliveryData::incrementQueueDone($target_item['uri-id'], Post\DeliveryData::DIASPORA);
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}
|
|
$success = true;
|
|
} else {
|
|
// The message could not be delivered. We mark the contact as "dead"
|
|
Contact::markForArchival($contact);
|
|
|
|
// When it is delivered to the public endpoint, we do mark the relay contact for archival as well
|
|
if ($public_message) {
|
|
Relay::markForArchival($contact);
|
|
}
|
|
|
|
if (empty($contact['contact-type']) || ($contact['contact-type'] != Contact::TYPE_RELAY)) {
|
|
Logger::info('Delivery failed: defer message', ['id' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
|
|
// defer message for redelivery
|
|
if (!Worker::defer() && $cmd == Delivery::POST) {
|
|
Post\DeliveryData::incrementQueueFailed($target_item['uri-id']);
|
|
}
|
|
} elseif ($cmd == Delivery::POST) {
|
|
Post\DeliveryData::incrementQueueFailed($target_item['uri-id']);
|
|
}
|
|
$success = false;
|
|
}
|
|
return $success;
|
|
}
|
|
|
|
/**
|
|
* Deliver content via mail
|
|
*
|
|
* @param string $cmd Command
|
|
* @param array $contact Contact record of the receiver
|
|
* @param array $owner Owner record of the sender
|
|
* @param array $target_item Item record of the content
|
|
* @param array $thr_parent Item record of the direct parent in the thread
|
|
*
|
|
* @return bool "false" on remote system error. "true" when delivery was successful or we shouldn't retry.
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function deliverMail(string $cmd, array $contact, array $owner, array $target_item, array $thr_parent): bool
|
|
{
|
|
if (DI::config()->get('system', 'imap_disabled')) {
|
|
return true;
|
|
}
|
|
|
|
$addr = $contact['addr'];
|
|
if (!strlen($addr)) {
|
|
return true;
|
|
}
|
|
|
|
if ($cmd != self::POST) {
|
|
return true;
|
|
}
|
|
|
|
if ($target_item['verb'] != Activity::POST) {
|
|
return true;
|
|
}
|
|
|
|
if (!empty($thr_parent['object'])) {
|
|
$data = json_decode($thr_parent['object'], true);
|
|
if (!empty($data['reply_to'])) {
|
|
$addr = $data['reply_to'][0]['mailbox'] . '@' . $data['reply_to'][0]['host'];
|
|
Logger::info('Use "reply-to" address of the thread parent', ['addr' => $addr]);
|
|
} elseif (!empty($data['from'])) {
|
|
$addr = $data['from'][0]['mailbox'] . '@' . $data['from'][0]['host'];
|
|
Logger::info('Use "from" address of the thread parent', ['addr' => $addr]);
|
|
}
|
|
}
|
|
|
|
$local_user = DBA::selectFirst('user', [], ['uid' => $owner['uid']]);
|
|
if (!DBA::isResult($local_user)) {
|
|
return true;
|
|
}
|
|
|
|
Logger::info('About to deliver via mail', ['guid' => $target_item['guid'], 'to' => $addr]);
|
|
|
|
$reply_to = '';
|
|
$mailacct = DBA::selectFirst('mailacct', ['reply_to'], ['uid' => $owner['uid']]);
|
|
if (DBA::isResult($mailacct) && !empty($mailacct['reply_to'])) {
|
|
$reply_to = $mailacct['reply_to'];
|
|
}
|
|
|
|
$subject = ($target_item['title'] ? Email::encodeHeader($target_item['title'], 'UTF-8') : DI::l10n()->t("\x28no subject\x29"));
|
|
|
|
// only expose our real email address to true friends
|
|
|
|
if (($contact['rel'] == Contact::FRIEND) && !$contact['blocked']) {
|
|
if ($reply_to) {
|
|
$headers = 'From: ' . Email::encodeHeader($local_user['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
|
|
$headers .= 'Sender: ' . $local_user['email'] . "\n";
|
|
} else {
|
|
$headers = 'From: ' . Email::encodeHeader($local_user['username'],'UTF-8') . ' <' . $local_user['email'] . '>' . "\n";
|
|
}
|
|
} else {
|
|
$sender = DI::config()->get('config', 'sender_email', 'noreply@' . DI::baseUrl()->getHost());
|
|
$headers = 'From: '. Email::encodeHeader($local_user['username'], 'UTF-8') . ' <' . $sender . '>' . "\n";
|
|
}
|
|
|
|
$headers .= 'Message-Id: <' . Email::iri2msgid($target_item['uri']) . '>' . "\n";
|
|
|
|
if ($target_item['uri'] !== $target_item['parent-uri']) {
|
|
$headers .= 'References: <' . Email::iri2msgid($target_item['parent-uri']) . '>';
|
|
|
|
// Export more references on deeper nested threads
|
|
if (($target_item['thr-parent'] != '') && ($target_item['thr-parent'] != $target_item['parent-uri'])) {
|
|
$headers .= ' <' . Email::iri2msgid($target_item['thr-parent']) . '>';
|
|
}
|
|
|
|
$headers .= "\n";
|
|
|
|
if (empty($target_item['title'])) {
|
|
$condition = ['uri' => $target_item['parent-uri'], 'uid' => $owner['uid']];
|
|
$title = Post::selectFirst(['title'], $condition);
|
|
|
|
if (DBA::isResult($title) && ($title['title'] != '')) {
|
|
$subject = $title['title'];
|
|
} else {
|
|
$condition = ['parent-uri' => $target_item['parent-uri'], 'uid' => $owner['uid']];
|
|
$title = Post::selectFirst(['title'], $condition);
|
|
|
|
if (DBA::isResult($title) && ($title['title'] != '')) {
|
|
$subject = $title['title'];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (strncasecmp($subject, 'RE:', 3)) {
|
|
$subject = 'Re: ' . $subject;
|
|
}
|
|
}
|
|
|
|
// Try to send email
|
|
$success = Email::send($addr, $subject, $headers, $target_item);
|
|
|
|
if ($success) {
|
|
// Success
|
|
Post\DeliveryData::incrementQueueDone($target_item['uri-id'], Post\DeliveryData::MAIL);
|
|
Logger::info('Delivered via mail', ['guid' => $target_item['guid'], 'to' => $addr, 'subject' => $subject]);
|
|
} else {
|
|
// Failed
|
|
Logger::warning('Delivery of mail has FAILED', ['to' => $addr, 'subject' => $subject, 'guid' => $target_item['guid']]);
|
|
}
|
|
return $success;
|
|
}
|
|
}
|