friendica/src/Worker/APDelivery.php

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<?php
/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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*/
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namespace Friendica\Worker;
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use Friendica\Core\Logger;
use Friendica\Core\Worker;
use Friendica\Model\Contact;
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use Friendica\Model\GServer;
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use Friendica\Model\Item;
use Friendica\Model\Post;
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use Friendica\Protocol\ActivityPub;
use Friendica\Util\HTTPSignature;
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class APDelivery
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{
/**
* Delivers ActivityPub messages
*
* @param string $cmd One of the Worker\Delivery constant values
* @param integer $item_id 0 if no item is involved (like Delivery::REMOVAL and Delivery::PROFILEUPDATE)
* @param string $inbox The URL of the recipient profile
* @param integer $uid The ID of the user who triggered this delivery
* @param array $receivers The contact IDs related to the inbox URL for contact archival housekeeping
* @param int $uri_id URI-ID of item to be transmitted
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function execute(string $cmd, int $item_id, string $inbox, int $uid, array $receivers = [], int $uri_id = 0)
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{
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if (ActivityPub\Transmitter::archivedInbox($inbox)) {
Logger::info('Inbox is archived', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uid' => $uid]);
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if (in_array($cmd, [Delivery::POST])) {
$item = Post::selectFirst(['uri-id'], ['id' => $item_id]);
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Post\DeliveryData::incrementQueueFailed($item['uri-id'] ?? 0);
}
return;
}
Logger::info('Invoked', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uri-id' => $uri_id, 'uid' => $uid]);
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if (empty($uri_id)) {
$result = self::deliver($inbox);
$success = $result['success'];
$uri_ids = $result['uri_ids'];
}
if (empty($uri_ids)) {
$success = self::deliverToInbox($cmd, $item_id, $inbox, $uid, $receivers, $uri_id);
}
if (!$success && !Worker::defer() && in_array($cmd, [Delivery::POST])) {
if ($uri_id) {
Post\Delivery::remove($uri_id, $inbox);
Post\DeliveryData::incrementQueueFailed($uri_id);
} elseif (!empty($uri_ids)) {
foreach ($uri_ids as $uri_id) {
Post\Delivery::remove($uri_id, $inbox);
Post\DeliveryData::incrementQueueFailed($uri_id);
}
}
} elseif ($success && in_array($cmd, [Delivery::POST])) {
if ($uri_id) {
Post\DeliveryData::incrementQueueDone($uri_id, Post\DeliveryData::ACTIVITYPUB);
} elseif (!empty($uri_ids)) {
foreach ($uri_ids as $uri_id) {
Post\DeliveryData::incrementQueueDone($uri_id, Post\DeliveryData::ACTIVITYPUB);
}
}
}
}
private static function deliver(string $inbox)
{
$uri_ids = [];
$success = true;
$posts = Post\Delivery::selectForInbox($inbox);
foreach ($posts as $post) {
$uri_ids[] = $post['uri-id'];
if ($success) {
$success = self::deliverToInbox($post['command'], 0, $inbox, $post['uid'], [], $post['uri-id']);
}
}
return ['success' => $success, 'uri_ids' => $uri_ids];
}
private static function deliverToInbox(string $cmd, int $item_id, string $inbox, int $uid, array $receivers, int $uri_id)
{
if (empty($item_id) && !empty($uri_id) && !empty($uid)) {
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$item = Post::selectFirst(['id', 'parent', 'origin'], ['uri-id' => $uri_id, 'uid' => $uid]);
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$item_id = $item['id'] ?? 0;
if (empty($receivers) && !empty($item)) {
$parent = Post::selectFirst(Item::DELIVER_FIELDLIST, ['id' => $item['parent']]);
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if ($item['origin']) {
$inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid);
} else {
// Remote items are transmitted via the personal inboxes.
// Doing so ensures that the dedicated receiver will get the message.
$inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid, true, $item_id);
}
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$receivers = $inboxes[$inbox] ?? [];
}
}
$success = true;
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if ($cmd == Delivery::MAIL) {
$data = ActivityPub\Transmitter::createActivityFromMail($item_id);
if (!empty($data)) {
$success = HTTPSignature::transmit($data, $inbox, $uid);
}
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} elseif ($cmd == Delivery::SUGGESTION) {
$success = ActivityPub\Transmitter::sendContactSuggestion($uid, $inbox, $item_id);
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} elseif ($cmd == Delivery::RELOCATION) {
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// @todo Implementation pending
} elseif ($cmd == Delivery::POKE) {
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// Implementation not planned
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} elseif ($cmd == Delivery::REMOVAL) {
$success = ActivityPub\Transmitter::sendProfileDeletion($uid, $inbox);
} elseif ($cmd == Delivery::PROFILEUPDATE) {
$success = ActivityPub\Transmitter::sendProfileUpdate($uid, $inbox);
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} else {
$data = ActivityPub\Transmitter::createCachedActivityFromItem($item_id);
if (!empty($data)) {
$success = HTTPSignature::transmit($data, $inbox, $uid);
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if ($success && $uri_id) {
Post\Delivery::remove($uri_id, $inbox);
}
}
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}
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self::setSuccess($receivers, $success);
Logger::info('Delivered', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uri-id' => $uri_id, 'uid' => $uid, 'success' => $success]);
return $success;
}
private static function setSuccess(array $receivers, bool $success)
{
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$gsid = null;
foreach ($receivers as $receiver) {
$contact = Contact::getById($receiver);
if (empty($contact)) {
continue;
}
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$gsid = $gsid ?: $contact['gsid'];
if ($success) {
Contact::unmarkForArchival($contact);
} else {
Contact::markForArchival($contact);
}
}
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if (!empty($gsid)) {
GServer::setProtocol($gsid, Post\DeliveryData::ACTIVITYPUB);
}
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}
}