gnu-social/plugins/ActivityPub/lib/activitypubqueuehandler.php
tenma b902b019fb [ActivityPub] Use queues for notice distribution
ActivityPubPlugin:
- Change event-based notice distribution to queues logic

ActivityPub/lib:
- Add queue handler class activitypubqueuehandler.php

Misc:
- Add documentation for the (Start/End)InitializeQueueManager events
2019-08-21 16:46:38 +01:00

135 lines
4.6 KiB
PHP

<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* ActivityPub queue handler for notice distribution
*
* @package GNUsocial
* @author Bruno Casteleiro <brunoccast@fc.up.pt>
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class ActivityPubQueueHandler extends QueueHandler
{
/**
* Getter of the queue transport name.
*
* @return string transport name
*/
public function transport(): string
{
return 'activitypub';
}
/**
* Notice distribution handler.
*
* @param Notice $notice notice to be distributed.
* @return bool true on success, false otherwise
* @throws HTTP_Request2_Exception
* @throws InvalidUrlException
* @throws ServerException
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function handle($notice): bool
{
if (!($notice instanceof Notice)) {
common_log(LOG_ERR, "Got a bogus notice, not distributing");
return true;
}
$profile = $notice->getProfile();
if (!$profile->isLocal()) {
return true;
}
// Ignore activity/non-post/share-verb notices
$is_valid_verb = ($notice->verb == ActivityVerb::POST ||
$notice->verb == ActivityVerb::SHARE);
if ($notice->source == 'activity' || !$is_valid_verb) {
common_log(LOG_ERR, "Ignoring distribution of notice:{$notice->id}: activity source or invalid Verb");
return true;
}
$other = Activitypub_profile::from_profile_collection(
$notice->getAttentionProfiles()
);
// Handling a reply?
if ($notice->reply_to) {
try {
$parent_notice = $notice->getParent();
try {
$other[] = Activitypub_profile::from_profile($parent_notice->getProfile());
} catch (Exception $e) {
// Local user can be ignored
}
foreach ($parent_notice->getAttentionProfiles() as $mention) {
try {
$other[] = Activitypub_profile::from_profile($mention);
} catch (Exception $e) {
// Local user can be ignored
}
}
} catch (NoParentNoticeException $e) {
// This is not a reply to something (has no parent)
} catch (NoResultException $e) {
// Parent author's profile not found! Complain louder?
common_log(LOG_ERR, "Parent notice's author not found: ".$e->getMessage());
}
}
// Handling an Announce?
if ($notice->isRepeat()) {
$repeated_notice = Notice::getKV('id', $notice->repeat_of);
if ($repeated_notice instanceof Notice) {
$other = array_merge($other,
Activitypub_profile::from_profile_collection(
$repeated_notice->getAttentionProfiles()
));
try {
$other[] = Activitypub_profile::from_profile($repeated_notice->getProfile());
} catch (Exception $e) {
// Local user can be ignored
}
// That was it
$postman = new Activitypub_postman($profile, $other);
$postman->announce($repeated_notice);
}
// either made the announce or found nothing to repeat
return true;
}
// That was it
$postman = new Activitypub_postman($profile, $other);
$postman->create_note($notice);
return true;
}
}