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[ActivityPub] Implement Failed Queue

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This commit is contained in:
Diogo Cordeiro 2020-08-29 16:09:10 +01:00 committed by Diogo Peralta Cordeiro
parent 751b23f6fe
commit 82f1fc7ca2
7 changed files with 204 additions and 16 deletions
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2
lib/queue/queuehandler.php
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@ -44,7 +44,7 @@ class QueueHandler
* and the item is placed back in the queue to be re-run.
*
* @param mixed $object
* @return boolean true on success, false on failure
* @return bool true on success, false on failure
*/
function handle($object) : bool
{

2
lib/queue/queuemanager.php
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@ -111,7 +111,7 @@ abstract class QueueManager extends IoManager
*
* Must be implemented by any queue manager.
*
* @param Notice $object
* @param mixed $object
* @param string $queue
*/
abstract function enqueue($object, $queue);

2
plugins/ActivityPub/ActivityPubPlugin.php
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@ -262,6 +262,8 @@ class ActivityPubPlugin extends Plugin
{
// Notice distribution
$qm->connect('activitypub', 'ActivityPubQueueHandler');
// Failed Notice distribution
$qm->connect('activitypub_failed', 'ActivityPubFailedQueueHandler');
return true;
}

158
plugins/ActivityPub/lib/activitypubfailedqueuehandler.php Normal file
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@ -0,0 +1,158 @@
<?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 Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2020 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 2020 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class ActivityPubFailedQueueHandler extends QueueHandler
{
/**
* Getter of the queue transport name.
*
* @return string transport name
*/
public function transport(): string
{
return 'activitypub_failed';
}
/**
* Notice distribution handler.
*
* @param array $to_failed [string to, Notice].
* @return bool true on success, false otherwise
* @throws HTTP_Request2_Exception
* @throws InvalidUrlException
* @throws ServerException
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function handle($to_failed): bool
{
[$other, $notice] = $to_failed;
if (!($notice instanceof Notice)) {
common_log(LOG_ERR, 'Got a bogus notice, not distributing');
return true;
}
$profile = $notice->getProfile();
if (!$profile->isLocal()) {
return true;
}
if ($notice->source == 'activity') {
common_log(LOG_ERR, "Ignoring distribution of notice:{$notice->id}: activity source");
return true;
}
try {
// Handling a Create?
if (ActivityUtils::compareVerbs($notice->verb, [ActivityVerb::POST, ActivityVerb::SHARE])) {
return $this->handle_create($profile, $notice, $other);
}
// Handling a Like?
if (ActivityUtils::compareVerbs($notice->verb, [ActivityVerb::FAVORITE])) {
return $this->onEndFavorNotice($profile, $notice, $other);
}
// Handling a Delete Note?
if (ActivityUtils::compareVerbs($notice->verb, [ActivityVerb::DELETE])) {
return $this->onStartDeleteOwnNotice($profile, $notice, $other);
}
} catch (Exception $e) {
// Postman already re-enqueues for us
common_debug('ActivityPub Failed Queue Handler:'.$e->getMessage());
}
return true;
}
private function handle_create($profile, $notice, $other)
{
// Handling an Announce?
if ($notice->isRepeat()) {
$repeated_notice = Notice::getKV('id', $notice->repeat_of);
if ($repeated_notice instanceof Notice) {
// That was it
$postman = new Activitypub_postman($profile, $other);
$postman->announce($notice, $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;
}
/**
* Notify remote users when their notices get favourited.
*
* @param Profile $profile of local user doing the faving
* @param Notice $notice_liked Notice being favored
* @return bool return value
* @throws HTTP_Request2_Exception
* @throws InvalidUrlException
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onEndFavorNotice(Profile $profile, Notice $notice, $other)
{
$postman = new Activitypub_postman($profile, $other);
$postman->like($notice);
return true;
}
/**
* Notify remote users when their notices get deleted
*
* @param $user
* @param $notice
* @return bool hook flag
* @throws HTTP_Request2_Exception
* @throws InvalidUrlException
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onStartDeleteOwnNotice($profile, $notice, $other)
{
// Handle delete locally either because:
// 1. There's no undo-share logic yet
// 2. The deleting user has privileges to do so (locally)
if ($notice->isRepeat() || ($notice->getProfile()->getID() != $profile->getID())) {
return true;
}
$postman = new Activitypub_postman($profile, $other);
$postman->delete_note($notice);
return true;
}
}

10
plugins/ActivityPub/lib/activitypubqueuehandler.php
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@ -19,14 +19,15 @@
*
* @package GNUsocial
* @author Bruno Casteleiro <brunoccast@fc.up.pt>
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2019-2020 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
* @copyright 2019-2020 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
@ -73,6 +74,7 @@ class ActivityPubQueueHandler extends QueueHandler
$notice->getAttentionProfiles()
);
try {
// Handling a Create?
if (ActivityUtils::compareVerbs($notice->verb, [ActivityVerb::POST, ActivityVerb::SHARE])) {
return $this->handle_create($profile, $notice, $other);
@ -87,6 +89,10 @@ class ActivityPubQueueHandler extends QueueHandler
if (ActivityUtils::compareVerbs($notice->verb, [ActivityVerb::DELETE])) {
return $this->onStartDeleteOwnNotice($profile, $notice, $other);
}
} catch (Exception $e) {
// Postman handles issues with the failed queue
common_debug('ActivityPub Queue Handler:'.$e->getMessage());
}
return true;
}

22
plugins/ActivityPub/lib/postman.php
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@ -42,6 +42,7 @@ class Activitypub_postman
private $actor;
private $actor_uri;
private $to = [];
private $failed_to = [];
private $client;
private $headers;
@ -63,6 +64,21 @@ class Activitypub_postman
$this->client = new HTTPClient();
}
/**
* When dear postman dies, resurrect him until he finishes what he couldn't in life
*
* @throws ServerException
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function __destruct()
{
$qm = QueueManager::get();
foreach($this->failed_to as $to => $activity) {
$qm->enqueue([$to, $activity], 'activitypub_failed');
}
}
/**
* Send something to remote instance
*
@ -215,6 +231,7 @@ class Activitypub_postman
$res_body = json_decode($res->getBody(), true);
$errors[] = isset($res_body['error']) ?
$res_body['error'] : "An unknown error occurred.";
$to_failed[$inbox] = $notice;
}
}
@ -250,6 +267,7 @@ class Activitypub_postman
$res_body = json_decode($res->getBody(), true);
$errors[] = isset($res_body['error']) ?
$res_body['error'] : "An unknown error occurred.";
$to_failed[$inbox] = $notice;
}
}
@ -284,6 +302,7 @@ class Activitypub_postman
$res_body = json_decode($res->getBody(), true);
$errors[] = isset($res_body['error']) ?
$res_body['error'] : "An unknown error occurred.";
$to_failed[$inbox] = $notice;
}
}
@ -315,6 +334,7 @@ class Activitypub_postman
$res_body = json_decode($res->getBody(), true);
$errors[] = isset($res_body['error']) ?
$res_body['error'] : "An unknown error occurred.";
$to_failed[$inbox] = $message;
}
}
@ -346,6 +366,7 @@ class Activitypub_postman
$res_body = json_decode($res->getBody(), true);
$errors[] = isset($res_body['error']) ?
$res_body['error'] : "An unknown error occurred.";
$to_failed[$inbox] = $notice;
}
}
@ -374,6 +395,7 @@ class Activitypub_postman
$res_body = json_decode($res->getBody(), true);
$errors[] = isset($res_body['error']) ?
$res_body['error'] : "An unknown error occurred.";
$to_failed[$inbox] = $notice;
}
}
if (!empty($errors)) {

2
plugins/DBQueue/classes/DBQueueManager.php
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@ -31,7 +31,7 @@ class DBQueueManager extends QueueManager
{
/**
* Saves an object reference into the queue item table.
* @return boolean true on success
* @return bool true on success
* @throws ServerException on failure
*/
public function enqueue($object, $queue)