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Cache if an activity has recently been fetched

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Michael 2022-08-01 05:56:55 +00:00
parent 85dd69324e
commit 4be6e9a27d
1 changed files with 41 additions and 14 deletions
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55
src/Protocol/ActivityPub/Processor.php
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@ -58,6 +58,7 @@ use Friendica\Worker\Delivery;
class Processor
{
const CACHEKEY_FETCH_ACTIVITY = 'processor:fetchMissingActivity:';
const CACHEKEY_JUST_FETCHED = 'processor:isJustFetched:';
/**
* Extracts the tag character (#, @, !) from mention links
*
@ -305,27 +306,36 @@ class Processor
}
if (empty($activity['directmessage']) && ($activity['id'] != $activity['reply-to-id']) && !Post::exists(['uri' => $activity['reply-to-id']])) {
$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'], $activity, '', Receiver::COMPLETION_AUTO);
if (empty($result) && self::isActivityGone($activity['reply-to-id'])) {
// Recursively delete this and all depending entries
if (!empty($activity['entry-id'])) {
Queue::deleteById($activity['entry-id']);
}
if (self::hasJustBeenFetched($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 [];
}
$fetch_by_worker = empty($result);
} else {
Logger::notice('Recursion level is too high.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
$fetch_by_worker = true;
$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)) {
if (empty($conversation)) {
return [];
}
}
@ -335,7 +345,7 @@ class Processor
$activity['recursion-depth'] = 0;
$wid = Worker::add(PRIORITY_HIGH, 'FetchMissingActivity', $activity['reply-to-id'], $activity, '', Receiver::COMPLETION_AUTO);
Queue::setWorkerId($activity, $wid);
if (!empty($conversation)) {
if (empty($conversation)) {
return [];
}
} elseif (!empty($result)) {
@ -466,6 +476,23 @@ class Processor
return $item;
}
/**
* Check if a given activity has recently been fetched
*
* @param string $url
* @return boolean
*/
private static function hasJustBeenFetched(string $url): bool
{
$cachekey = self::CACHEKEY_JUST_FETCHED . $url;
$time = DI::cache()->get($cachekey);
if (is_null($time)) {
DI::cache()->set($cachekey, time(), Duration::FIVE_MINUTES);
return false;
}
return ($time + 300) > time();
}
/**
* Check if a given activity is no longer available
*