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Hopefully fixes loops during message processing

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Michael 2022-08-03 03:38:03 +00:00
commit f2eec66240
6 changed files with 142 additions and 76 deletions
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2
src/Model/Contact.php
View file

@ -2449,7 +2449,7 @@ class Contact
$new_pubkey = $ret['pubkey'] ?? '';
if ($uid == 0) {
if ($uid == 0 && DI::config()->get('system', 'fetch_featured_posts')) {
if ($ret['network'] == Protocol::ACTIVITYPUB) {
$apcontact = APContact::getByURL($ret['url'], false);
if (!empty($apcontact['featured'])) {

136
src/Protocol/ActivityPub/Processor.php
View file

@ -306,58 +306,13 @@ class Processor
}
if (empty($activity['directmessage']) && ($activity['id'] != $activity['reply-to-id']) && !Post::exists(['uri' => $activity['reply-to-id']])) {
if (self::hasJustBeenFetched($activity['reply-to-id'])) {
Logger::notice('We just have tried to fetch this activity. We don\'t try it again.', ['parent' => $activity['reply-to-id']]);
$fetch_by_worker = false;
if (empty($conversation)) {
return [];
}
} else {
$recursion_depth = $activity['recursion-depth'] ?? 0;
Logger::notice('Parent not found. Try to refetch it.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
if ($recursion_depth < DI::config()->get('system', 'max_recursion_depth')) {
$result = self::fetchMissingActivity($activity['reply-to-id'], $activity, '', Receiver::COMPLETION_AUTO);
$fetch_by_worker = empty($result);
if (empty($result) && self::isActivityGone($activity['reply-to-id'])) {
if (!empty($activity['entry-id'])) {
Queue::deleteById($activity['entry-id']);
}
if (empty($conversation)) {
return [];
}
}
} else {
Logger::notice('Recursion level is too high.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
$fetch_by_worker = true;
}
}
if ($fetch_by_worker && Queue::hasWorker($activity)) {
Logger::notice('There is already a worker task to fetch the post.', ['id' => $activity['id'], 'parent' => $activity['reply-to-id']]);
$fetch_by_worker = false;
if (empty($conversation)) {
return [];
}
}
if ($fetch_by_worker && DI::config()->get('system', 'fetch_by_worker')) {
Logger::notice('Fetching is done by worker.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
$activity['recursion-depth'] = 0;
if (!Fetch::hasWorker($activity['reply-to-id'])) {
Fetch::add($activity['reply-to-id']);
$wid = Worker::add(PRIORITY_HIGH, 'FetchMissingActivity', $activity['reply-to-id'], $activity, '', Receiver::COMPLETION_AUTO);
Fetch::setWorkerId($activity['reply-to-id'], $wid);
Queue::setWorkerId($activity, $wid);
} else {
Logger::debug('Activity will already be fetched via a worker.', ['url' => $activity['reply-to-id']]);
}
if (empty($conversation)) {
return [];
}
} elseif (!empty($result)) {
$result = self::fetchParent($activity);
if (!empty($result)) {
if (($item['thr-parent'] != $result) && Post::exists(['uri' => $result])) {
$item['thr-parent'] = $result;
}
} elseif (empty($conversation)) {
return [];
}
}
@ -482,6 +437,77 @@ class Processor
return $item;
}
/**
* Fetch and process parent posts for the given activity
*
* @param array $activity
*
* @return string
*/
private static function fetchParent(array $activity): string
{
if (self::hasJustBeenFetched($activity['reply-to-id'])) {
Logger::notice('We just have tried to fetch this activity. We don\'t try it again.', ['parent' => $activity['reply-to-id']]);
return '';
}
$recursion_depth = $activity['recursion-depth'] ?? 0;
if ($recursion_depth < DI::config()->get('system', 'max_recursion_depth')) {
Logger::notice('Parent not found. Try to refetch it.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
$result = self::fetchMissingActivity($activity['reply-to-id'], $activity, '', Receiver::COMPLETION_AUTO);
if (empty($result) && self::isActivityGone($activity['reply-to-id'])) {
Logger::notice('The activity is gone, the queue entry will be deleted', ['parent' => $activity['reply-to-id']]);
if (!empty($activity['entry-id'])) {
Queue::deleteById($activity['entry-id']);
}
return '';
} elseif (!empty($result)) {
$exists = Post::exists(['uri' => [$result, $activity['reply-to-id']]]);
if ($exists) {
Logger::notice('The activity has been fetched and created.', ['parent' => $result]);
return $result;
} elseif (DI::config()->get('system', 'fetch_by_worker') || DI::config()->get('system', 'decoupled_receiver')) {
Logger::notice('The activity has been fetched and will hopefully be created later.', ['parent' => $result]);
} else {
Logger::notice('The activity exists but has not been created, the queue entry will be deleted.', ['parent' => $result]);
if (!empty($activity['entry-id'])) {
Queue::deleteById($activity['entry-id']);
}
}
return '';
}
if (empty($result) && !DI::config()->get('system', 'fetch_by_worker')) {
return '';
}
} elseif (self::isActivityGone($activity['reply-to-id'])) {
Logger::notice('The activity is gone. We will not spawn a worker. The queue entry will be deleted', ['parent' => $activity['reply-to-id']]);
if (!empty($activity['entry-id'])) {
Queue::deleteById($activity['entry-id']);
}
return '';
} else {
Logger::notice('Recursion level is too high.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
}
if (Queue::hasWorker($activity['worker-id'] ?? 0)) {
Logger::notice('There is already a worker task to fetch the post.', ['id' => $activity['id'], 'parent' => $activity['reply-to-id']]);
return '';
}
if (!Fetch::hasWorker($activity['reply-to-id'])) {
Logger::notice('Fetching is done by worker.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
Fetch::add($activity['reply-to-id']);
$activity['recursion-depth'] = 0;
$wid = Worker::add(PRIORITY_HIGH, 'FetchMissingActivity', $activity['reply-to-id'], $activity, '', Receiver::COMPLETION_AUTO);
Fetch::setWorkerId($activity['reply-to-id'], $wid);
} else {
Logger::debug('Activity will already be fetched via a worker.', ['url' => $activity['reply-to-id']]);
}
return '';
}
/**
* Check if a given activity has recently been fetched
*
@ -1022,7 +1048,7 @@ class Processor
Queue::remove($activity);
if ($success && Queue::hasChildren($item['uri'])) {
Worker::add(PRIORITY_HIGH, 'ProcessReplyByUri', $item['uri']);
Queue::processReplyByUri($item['uri']);
}
// Store send a follow request for every reshare - but only when the item had been stored
@ -1366,9 +1392,13 @@ class Processor
return '';
}
ActivityPub\Receiver::processActivity($ldactivity, json_encode($activity), $uid, true, false, $signer);
Logger::notice('Activity had been fetched and processed.', ['url' => $url, 'object' => $activity['id']]);
if (($completion == Receiver::COMPLETION_RELAY) && Queue::exists($url, 'as:Create')) {
Logger::notice('Activity has already been queued.', ['url' => $url, 'object' => $activity['id']]);
} elseif (ActivityPub\Receiver::processActivity($ldactivity, json_encode($activity), $uid, true, false, $signer, '', $completion)) {
Logger::notice('Activity had been fetched and processed.', ['url' => $url, 'entry' => $child['entry-id'] ?? 0, 'completion' => $completion, 'object' => $activity['id']]);
} else {
Logger::notice('Activity had been fetched and will be processed later.', ['url' => $url, 'entry' => $child['entry-id'] ?? 0, 'completion' => $completion, 'object' => $activity['id']]);
}
return $activity['id'];
}

44
src/Protocol/ActivityPub/Queue.php
View file

@ -84,6 +84,18 @@ class Queue
return $activity;
}
/**
* Checks if an entryy for a given url and type already exists
*
* @param string $url
* @param string $type
* @return boolean
*/
public static function exists(string $url, string $type): bool
{
return DBA::exists('inbox-entry', ['type' => $type, 'object-id' => $url]);
}
/**
* Remove activity from the queue
*
@ -132,30 +144,31 @@ class Queue
/**
* Set the worker id for the queue entry
*
* @param array $activity
* @param int $wid
* @param int $entryid
* @param int $wid
* @return void
*/
public static function setWorkerId(array $activity, int $wid)
public static function setWorkerId(int $entryid, int $wid)
{
if (empty($activity['entry-id']) || empty($wid)) {
if (empty($entryid) || empty($wid)) {
return;
}
DBA::update('inbox-entry', ['wid' => $wid], ['id' => $activity['entry-id']]);
DBA::update('inbox-entry', ['wid' => $wid], ['id' => $entryid]);
}
/**
* Check if there is an assigned worker task
*
* @param array $activity
* @param int $wid
*
* @return bool
*/
public static function hasWorker(array $activity = []): bool
public static function hasWorker(int $wid): bool
{
if (empty($activity['worker-id'])) {
if (empty($wid)) {
return false;
}
return DBA::exists('workerqueue', ['id' => $activity['worker-id'], 'done' => false]);
return DBA::exists('workerqueue', ['id' => $wid, 'done' => false]);
}
/**
@ -172,6 +185,18 @@ class Queue
return false;
}
if (!empty($entry['wid'])) {
$worker = DI::app()->getQueue();
$wid = $worker['id'] ?? 0;
if ($entry['wid'] != $wid) {
$workerqueue = DBA::selectFirst('workerqueue', ['pid'], ['id' => $entry['wid'], 'done' => false]);
if (!empty($workerqueue['pid']) && posix_kill($workerqueue['pid'], 0)) {
Logger::notice('Entry is already processed via another process.', ['current' => $wid, 'processor' => $entry['wid']]);
return false;
}
}
}
Logger::debug('Processing queue entry', ['id' => $entry['id'], 'type' => $entry['type'], 'object-type' => $entry['object-type'], 'uri' => $entry['object-id'], 'in-reply-to' => $entry['in-reply-to-id']]);
$activity = json_decode($entry['activity'], true);
@ -314,6 +339,5 @@ class Queue
}
}
DBA::close($entries);
}
}

28
src/Protocol/ActivityPub/Receiver.php
View file

@ -507,26 +507,29 @@ class Receiver
* @param boolean $trust_source Do we trust the source?
* @param boolean $push Message had been pushed to our system
* @param array $signer The signer of the post
*
* @return bool
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function processActivity(array $activity, string $body = '', int $uid = null, bool $trust_source = false, bool $push = false, array $signer = [], string $http_signer = '')
public static function processActivity(array $activity, string $body = '', int $uid = null, bool $trust_source = false, bool $push = false, array $signer = [], string $http_signer = '', int $completion = Receiver::COMPLETION_AUTO): bool
{
$type = JsonLD::fetchElement($activity, '@type');
if (!$type) {
Logger::info('Empty type', ['activity' => $activity]);
return;
return true;
}
if (!JsonLD::fetchElement($activity, 'as:object', '@id')) {
Logger::info('Empty object', ['activity' => $activity]);
return;
return true;
}
$actor = JsonLD::fetchElement($activity, 'as:actor', '@id');
if (empty($actor)) {
Logger::info('Empty actor', ['activity' => $activity]);
return;
return true;
}
if (is_array($activity['as:object'])) {
@ -548,7 +551,7 @@ class Receiver
$object_data = self::prepareObjectData($activity, $uid, $push, $trust_source);
if (empty($object_data)) {
Logger::info('No object data found', ['activity' => $activity]);
return;
return true;
}
// Lemmy is announcing activities.
@ -583,21 +586,27 @@ class Receiver
$object_data['object_activity'] = $activity;
}
if (($type == 'as:Create') && Queue::exists($object_data['object_id'], $type)) {
Logger::info('The activity is already added.', ['id' => $object_data['object_id']]);
return true;
}
if (DI::config()->get('system', 'decoupled_receiver') && ($trust_source || DI::config()->get('debug', 'ap_inbox_store_untrusted'))) {
$object_data = Queue::add($object_data, $type, $uid, $http_signer, $push, $trust_source);
}
if (!$trust_source) {
Logger::info('Activity trust could not be achieved.', ['id' => $object_data['object_id'], 'type' => $type, 'signer' => $signer, 'actor' => $actor, 'attributedTo' => $attributed_to]);
return;
return true;
}
if (!empty($object_data['entry-id']) && DI::config()->get('system', 'decoupled_receiver') && ($push || ($activity['completion-mode'] == self::COMPLETION_RELAY))) {
if (!empty($object_data['entry-id']) && DI::config()->get('system', 'decoupled_receiver') && ($push || ($completion == self::COMPLETION_RELAY))) {
// We delay by 5 seconds to allow to accumulate all receivers
$delayed = date(DateTimeFormat::MYSQL, time() + 5);
Logger::debug('Initiate processing', ['id' => $object_data['entry-id'], 'uri' => $object_data['object_id']]);
Worker::add(['priority' => PRIORITY_HIGH, 'delayed' => $delayed], 'ProcessQueue', $object_data['entry-id']);
return;
$wid = Worker::add(['priority' => PRIORITY_HIGH, 'delayed' => $delayed], 'ProcessQueue', $object_data['entry-id']);
Queue::setWorkerId($object_data['entry-id'], $wid);
return false;
}
if (!empty($activity['recursion-depth'])) {
@ -612,6 +621,7 @@ class Receiver
self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
Queue::remove($object_data);
}
return true;
}
/**

4
src/Worker/Cron.php
View file

@ -93,9 +93,7 @@ class Cron
Queue::clear();
// Process all unprocessed entries
if (DI::config()->get('system', 'decoupled_receiver')) {
Queue::processAll();
}
Queue::processAll();
// Search for new contacts in the directory
if (DI::config()->get('system', 'synchronize_directory')) {

4
static/defaults.config.php
View file

@ -286,6 +286,10 @@ return [
// Fetch missing posts via a background process
'fetch_by_worker' => false,
// fetch_featured_posts (Boolean)
// Fetch featured posts from all contacts
'fetch_featured_posts' => false,
// free_crawls (Integer)
// Number of "free" searches when system => permit_crawling is enabled.
'free_crawls' => 10,