548 lines
19 KiB
PHP
548 lines
19 KiB
PHP
<?php
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/**
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* @file src/Worker/Delivery.php
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*/
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namespace Friendica\Worker;
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use Friendica\BaseObject;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
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use Friendica\Model;
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use Friendica\Protocol\DFRN;
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use Friendica\Protocol\Diaspora;
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use Friendica\Protocol\Email;
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use Friendica\Util\Strings;
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use Friendica\Util\Network;
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use Friendica\Core\Worker;
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class Delivery extends BaseObject
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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 POKE = 'poke';
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const UPLINK = 'uplink';
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const REMOVAL = 'removeme';
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const PROFILEUPDATE = 'profileupdate';
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public static function execute($cmd, $target_id, $contact_id)
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{
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Logger::info('Invoked', ['cmd' => $cmd, 'target' => $target_id, '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' => $target_id]);
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if (!DBA::isResult($target_item)) {
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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$uid = $target_item['uid'];
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} elseif ($cmd == self::SUGGESTION) {
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$target_item = DBA::selectFirst('fsuggest', [], ['id' => $target_id]);
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if (!DBA::isResult($target_item)) {
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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$uid = $target_item['uid'];
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} elseif ($cmd == self::RELOCATION) {
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$uid = $target_id;
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$target_item = [];
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} else {
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$item = Model\Item::selectFirst(['parent'], ['id' => $target_id]);
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if (!DBA::isResult($item) || empty($item['parent'])) {
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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$parent_id = intval($item['parent']);
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$condition = ['id' => [$target_id, $parent_id], 'visible' => true, 'moderated' => false];
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$params = ['order' => ['id']];
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$itemdata = Model\Item::select([], $condition, $params);
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while ($item = Model\Item::fetch($itemdata)) {
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if ($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::log('Item ' . $target_id . "wasn't found. Quitting here.");
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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if (empty($parent)) {
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Logger::log('Parent ' . $parent_id . ' for item ' . $target_id . "wasn't found. Quitting here.");
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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if (!empty($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::log('Only public users for item ' . $target_id, Logger::DEBUG);
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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if (!empty($contact_id) && Model\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, $target_id);
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return;
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}
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// avoid race condition with deleting entries
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if ($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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// When commenting too fast after delivery, a post wasn't recognized as top level post.
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// The count then showed more than one entry. The additional check should help.
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// The check for the "count" should be superfluous, but I'm not totally sure by now, so we keep it.
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if ((($parent['id'] == $target_id) || (count($items) == 1)) && ($parent['uri'] === $parent['parent-uri'])) {
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Logger::log('Top level post');
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$top_level = true;
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}
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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 = self::getApp()->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 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::log('Followup ' . $target_item["guid"], Logger::DEBUG);
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// local followup to remote post
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$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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&& !$parent["private"]) {
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$public_message = true;
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}
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}
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if (empty($items)) {
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Logger::log('No delivery data for ' . $cmd . ' - Item ID: ' .$target_id . ' - Contact ID: ' . $contact_id);
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}
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$owner = Model\User::getOwnerDataById($uid);
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if (!DBA::isResult($owner)) {
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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// We don't deliver our items to blocked or pending contacts, and not to ourselves either
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$contact = DBA::selectFirst('contact', [],
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['id' => $contact_id, 'blocked' => false, 'pending' => false, 'self' => false]
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);
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if (!DBA::isResult($contact)) {
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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if (Network::isUrlBlocked($contact['url'])) {
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self::setFailedQueue($cmd, $target_id);
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return;
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}
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// Transmit via Diaspora if the thread had started as Diaspora post
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// This is done since the uri wouldn't match (Diaspora doesn't transmit it)
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if (isset($parent) && ($parent['network'] == Protocol::DIASPORA) && ($contact['network'] == Protocol::DFRN)) {
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$contact['network'] = Protocol::DIASPORA;
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}
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Logger::log("Delivering " . $cmd . " followup=$followup - via network " . $contact['network']);
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switch ($contact['network']) {
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case Protocol::DFRN:
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self::deliverDFRN($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
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break;
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case Protocol::DIASPORA:
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self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
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break;
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case Protocol::MAIL:
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self::deliverMail($cmd, $contact, $owner, $target_item);
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break;
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default:
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break;
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}
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return;
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}
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private static function setFailedQueue($cmd, $id)
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{
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if (!in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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return;
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}
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Model\ItemDeliveryData::incrementQueueFailed($id);
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}
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/**
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* @brief 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 $followup Is it an answer to a remote post?
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function deliverDFRN($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup)
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{
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Logger::log('Deliver ' . defaults($target_item, 'guid', $target_item['id']) . ' via DFRN to ' . (empty($contact['addr']) ? $contact['url'] : $contact['addr']));
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if ($cmd == self::MAIL) {
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$item = $target_item;
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$item['body'] = Model\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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DBA::delete('fsuggest', ['id' => $item['id']]);
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} elseif ($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, $owner);
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} else {
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$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[] = $item;
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}
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}
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$atom = DFRN::entries($msgitems, $owner);
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}
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Logger::log('Notifier entry: ' . $contact["url"] . ' ' . defaults($target_item, 'guid', $target_item['id']) . ' entry: ' . $atom, Logger::DATA);
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$basepath = implode('/', array_slice(explode('/', $contact['url']), 0, 3));
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// perform local delivery if we are on the same site
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if (Strings::compareLink($basepath, System::baseUrl())) {
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$condition = ['nurl' => Strings::normaliseLink($contact['url']), 'self' => true];
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$target_self = DBA::selectFirst('contact', ['uid'], $condition);
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if (!DBA::isResult($target_self)) {
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return;
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}
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$target_uid = $target_self['uid'];
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// Check if the user has got this contact
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$cid = Model\Contact::getIdForURL($owner['url'], $target_uid);
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if (!$cid) {
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// Otherwise there should be a public contact
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$cid = Model\Contact::getIdForURL($owner['url']);
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if (!$cid) {
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return;
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}
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}
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$target_importer = DFRN::getImporter($cid, $target_uid);
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if (empty($target_importer)) {
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// This should never happen
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return;
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}
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DFRN::import($atom, $target_importer);
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if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueDone($target_item['id'], Model\ItemDeliveryData::DFRN);
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}
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return;
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}
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$protocol = Model\ItemDeliveryData::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 = ($contact['contact-type'] == Model\Contact::TYPE_RELAY);
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$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::log('Relay delivery to ' . $contact["url"] . ' with guid ' . $target_item["guid"] . ' returns ' . $deliver_status);
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if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueDone($target_item['id'], $protocol);
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}
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return;
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}
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if (($deliver_status < 200) || ($deliver_status > 299)) {
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// Transmit via Diaspora if not possible via Friendica
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self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
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return;
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}
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} elseif ($cmd != self::RELOCATION) {
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// DFRN payload over Diaspora transport layer
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$deliver_status = DFRN::transmit($owner, $contact, $atom);
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if ($deliver_status < 200) {
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// Legacy DFRN
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$deliver_status = DFRN::deliver($owner, $contact, $atom);
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$protocol = Model\ItemDeliveryData::LEGACY_DFRN;
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}
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} else {
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$deliver_status = DFRN::deliver($owner, $contact, $atom);
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$protocol = Model\ItemDeliveryData::LEGACY_DFRN;
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}
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Logger::info('DFRN Delivery', ['cmd' => $cmd, 'url' => $contact['url'], 'guid' => defaults($target_item, 'guid', $target_item['id']), 'return' => $deliver_status]);
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if (($deliver_status >= 200) && ($deliver_status <= 299)) {
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// We successfully delivered a message, the contact is alive
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Model\Contact::unmarkForArchival($contact);
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if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueDone($target_item['id'], $protocol);
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}
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} else {
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// The message could not be delivered. We mark the contact as "dead"
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Model\Contact::markForArchival($contact);
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Logger::info('Delivery failed: defer message', ['id' => defaults($target_item, 'guid', $target_item['id'])]);
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if (!Worker::defer() && in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueFailed($target_item['id']);
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}
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}
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}
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/**
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* @brief 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 $followup Is it an answer to a remote post?
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup)
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{
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// We don't treat Forum posts as "wall-to-wall" to be able to post them via Diaspora
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$walltowall = $top_level && ($owner['id'] != $items[0]['contact-id']) & ($owner['account-type'] != Model\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 = $contact['addr'];
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}
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Logger::log('Deliver ' . defaults($target_item, 'guid', $target_item['id']) . ' via Diaspora to ' . $loc);
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if (Config::get('system', 'dfrn_only') || !Config::get('system', 'diaspora_enabled')) {
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return;
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}
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if ($cmd == self::MAIL) {
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Diaspora::sendMail($target_item, $owner, $contact);
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return;
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}
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if ($cmd == self::SUGGESTION) {
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return;
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}
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if (!$contact['pubkey'] && !$public_message) {
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return;
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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::log('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::log('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::log('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::log('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::log('Unknown mode ' . $cmd . ' for ' . $loc);
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return;
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}
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if (($deliver_status >= 200) && ($deliver_status <= 299)) {
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// We successfully delivered a message, the contact is alive
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Model\Contact::unmarkForArchival($contact);
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if (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueDone($target_item['id'], Model\ItemDeliveryData::DIASPORA);
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}
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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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Model\Contact::markForArchival($contact);
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// When it is delivered to the public endpoint, we do mark the relay contact for archival as well
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if ($public_message) {
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Diaspora::markRelayForArchival($contact);
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}
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if (empty($contact['contact-type']) || ($contact['contact-type'] != Model\Contact::TYPE_RELAY)) {
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Logger::info('Delivery failed: defer message', ['id' => defaults($target_item, 'guid', $target_item['id'])]);
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// defer message for redelivery
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if (!Worker::defer() && in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueFailed($target_item['id'], Model\ItemDeliveryData::DIASPORA);
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}
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} elseif (in_array($cmd, [Delivery::POST, Delivery::POKE])) {
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Model\ItemDeliveryData::incrementQueueDone($target_item['id'], Model\ItemDeliveryData::DIASPORA);
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}
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}
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}
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/**
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* @brief Deliver content via mail
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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 $target_item Item record of the content
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function deliverMail($cmd, $contact, $owner, $target_item)
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{
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if (Config::get('system','dfrn_only')) {
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return;
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}
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// WARNING: does not currently convert to RFC2047 header encodings, etc.
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$addr = $contact['addr'];
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if (!strlen($addr)) {
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return;
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}
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if (!in_array($cmd, [self::POST, self::POKE])) {
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return;
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}
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$local_user = DBA::selectFirst('user', [], ['uid' => $owner['uid']]);
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if (!DBA::isResult($local_user)) {
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return;
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}
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Logger::log('Deliver ' . $target_item["guid"] . ' via mail to ' . $contact['addr']);
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$reply_to = '';
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$mailacct = DBA::selectFirst('mailacct', ['reply_to'], ['uid' => $owner['uid']]);
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if (DBA::isResult($mailacct) && !empty($mailacct['reply_to'])) {
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$reply_to = $mailacct['reply_to'];
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}
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$subject = ($target_item['title'] ? Email::encodeHeader($target_item['title'], 'UTF-8') : L10n::t("\x28no subject\x29"));
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// only expose our real email address to true friends
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if (($contact['rel'] == Model\Contact::FRIEND) && !$contact['blocked']) {
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if ($reply_to) {
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$headers = 'From: ' . Email::encodeHeader($local_user['username'],'UTF-8') . ' <' . $reply_to.'>' . "\n";
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$headers .= 'Sender: ' . $local_user['email'] . "\n";
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} else {
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$headers = 'From: ' . Email::encodeHeader($local_user['username'],'UTF-8').' <' . $local_user['email'] . '>' . "\n";
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}
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} else {
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$headers = 'From: '. Email::encodeHeader($local_user['username'], 'UTF-8') . ' <noreply@' . self::getApp()->getHostName() . '>' . "\n";
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}
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$headers .= 'Message-Id: <' . Email::iri2msgid($target_item['uri']) . '>' . "\n";
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if ($target_item['uri'] !== $target_item['parent-uri']) {
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$headers .= "References: <" . Email::iri2msgid($target_item["parent-uri"]) . ">";
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// If Threading is enabled, write down the correct parent
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if (($target_item["thr-parent"] != "") && ($target_item["thr-parent"] != $target_item["parent-uri"])) {
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$headers .= " <".Email::iri2msgid($target_item["thr-parent"]).">";
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}
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$headers .= "\n";
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if (empty($target_item['title'])) {
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$condition = ['uri' => $target_item['parent-uri'], 'uid' => $owner['uid']];
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$title = Model\Item::selectFirst(['title'], $condition);
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if (DBA::isResult($title) && ($title['title'] != '')) {
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$subject = $title['title'];
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} else {
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$condition = ['parent-uri' => $target_item['parent-uri'], 'uid' => $owner['uid']];
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$title = Model\Item::selectFirst(['title'], $condition);
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if (DBA::isResult($title) && ($title['title'] != '')) {
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$subject = $title['title'];
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}
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}
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}
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if (strncasecmp($subject, 'RE:', 3)) {
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$subject = 'Re: ' . $subject;
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}
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}
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Email::send($addr, $subject, $headers, $target_item);
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}
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}
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