use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
use Friendica\Content\Text\Markdown;
+use Friendica\Core\Cache\Enum\Duration;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\System;
*/
class Processor
{
+ const CACHEKEY_FETCH_ACTIVITY = 'processor:fetchMissingActivity:';
+ const CACHEKEY_JUST_FETCHED = 'processor:isJustFetched:';
+
+ /**
+ * Add an object id to the list of processed ids
+ *
+ * @param string $id
+ *
+ * @return void
+ */
+ private static function addActivityId(string $id)
+ {
+ DBA::delete('processed-activity', ["`received` < ?", DateTimeFormat::utc('now - 5 minutes')]);
+ DBA::insert('processed-activity', ['object-id' => $id, 'received' => DateTimeFormat::utcNow()]);
+ }
+
+ /**
+ * Checks if the given object id has just been processed
+ *
+ * @param string $id
+ *
+ * @return boolean
+ */
+ private static function isProcessed(string $id): bool
+ {
+ return DBA::exists('processed-activity', ['object-id' => $id]);
+ }
+
/**
* Extracts the tag character (#, @, !) from mention links
*
*/
public static function updateItem(array $activity)
{
- $item = Post::selectFirst(['uri', 'uri-id', 'thr-parent', 'gravity', 'post-type'], ['uri' => $activity['id']]);
+ $item = Post::selectFirst(['uri', 'uri-id', 'thr-parent', 'gravity', 'post-type', 'private'], ['uri' => $activity['id']]);
if (!DBA::isResult($item)) {
Logger::warning('No existing item, item will be created', ['uri' => $activity['id']]);
- $item = self::createItem($activity);
+ $item = self::createItem($activity, false);
if (empty($item)) {
+ Queue::remove($activity);
return;
}
$item['edited'] = DateTimeFormat::utc($activity['updated']);
$item = self::processContent($activity, $item);
-
- self::storeAttachments($activity, $item);
- self::storeQuestion($activity, $item);
-
if (empty($item)) {
+ Queue::remove($activity);
return;
}
+ self::storeAttachments($activity, $item);
+ self::storeQuestion($activity, $item);
+
Post\History::add($item['uri-id'], $item);
Item::update($item, ['uri' => $activity['id']]);
/**
* Prepares data for a message
*
- * @param array $activity Activity array
+ * @param array $activity Activity array
+ * @param bool $fetch_parents
+ *
* @return array Internal item
+ *
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- public static function createItem(array $activity): array
+ public static function createItem(array $activity, bool $fetch_parents): array
{
+ if (self::isProcessed($activity['id']) && !Post::exists(['uri' => $activity['id']])) {
+ Logger::info('Id is already processed', ['id' => $activity['id']]);
+ return [];
+ }
+
+ self::addActivityId($activity['id']);
+
$item = [];
$item['verb'] = Activity::POST;
$item['thr-parent'] = $activity['reply-to-id'];
$item['object-type'] = Activity\ObjectType::COMMENT;
}
- if (!empty($activity['context'])) {
- $item['conversation'] = $activity['context'];
- } elseif (!empty($activity['conversation'])) {
+ if (!empty($activity['conversation'])) {
$item['conversation'] = $activity['conversation'];
+ } elseif (!empty($activity['context'])) {
+ $item['conversation'] = $activity['context'];
}
if (!empty($item['conversation'])) {
$conversation = [];
}
- if (empty($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 < 10) {
- $result = self::fetchMissingActivity($activity['reply-to-id'], $activity, '', Receiver::COMPLETION_AUTO);
- if (empty($result) && self::isActivityGone($activity['reply-to-id'])) {
- // Recursively delete this and all depending entries
- Queue::deleteById($activity['entry-id']);
- 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;
- }
+ Logger::debug('Create Item', ['id' => $activity['id'], 'conversation' => $item['conversation'] ?? '']);
+ if (empty($activity['author']) && empty($activity['actor'])) {
+ Logger::notice('Missing author and actor. We quit here.', ['activity' => $activity]);
+ Queue::remove($activity);
+ return [];
+ }
- 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 (!in_array(0, $activity['receiver']) || !DI::config()->get('system', 'fetch_parents')) {
+ $fetch_parents = false;
+ }
- if ($fetch_by_worker) {
- Logger::notice('Fetching is done by worker.', ['parent' => $activity['reply-to-id'], 'recursion-depth' => $recursion_depth]);
- $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)) {
- return [];
- }
- } elseif (!empty($result)) {
+ if ($fetch_parents && empty($activity['directmessage']) && ($activity['id'] != $activity['reply-to-id']) && !Post::exists(['uri' => $activity['reply-to-id']])) {
+ $result = self::fetchParent($activity);
+ if (!empty($result)) {
if (($item['thr-parent'] != $result) && Post::exists(['uri' => $result])) {
$item['thr-parent'] = $result;
}
+ } elseif (empty($conversation)) {
+ return [];
}
}
if (empty($conversation) && empty($activity['directmessage']) && ($item['gravity'] != GRAVITY_PARENT) && !Post::exists(['uri' => $item['thr-parent']])) {
Logger::info('Parent not found, message will be discarded.', ['thr-parent' => $item['thr-parent']]);
+ if (!$fetch_parents) {
+ Queue::remove($activity);
+ }
return [];
}
if (!empty($activity['raw'])) {
$item['source'] = $activity['raw'];
- $item['protocol'] = Conversation::PARCEL_ACTIVITYPUB;
- $item['conversation-href'] = $activity['context'] ?? '';
- $item['conversation-uri'] = $activity['conversation'] ?? '';
+ }
- if (isset($activity['push'])) {
- $item['direction'] = $activity['push'] ? Conversation::PUSH : Conversation::PULL;
- }
+ $item['protocol'] = Conversation::PARCEL_ACTIVITYPUB;
+
+ if (isset($activity['push'])) {
+ $item['direction'] = $activity['push'] ? Conversation::PUSH : Conversation::PULL;
}
if (!empty($activity['from-relay'])) {
$item = self::processContent($activity, $item);
if (empty($item)) {
Logger::info('Message was not processed');
+ Queue::remove($activity);
return [];
}
return $item;
}
+ /**
+ * Fetch and process parent posts for the given activity
+ *
+ * @param array $activity
+ *
+ * @return string
+ */
+ private static function fetchParent(array $activity): string
+ {
+ $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 is no longer available
*
*
* @return boolean
*/
- private static function isActivityGone(string $url): bool
+ public static function isActivityGone(string $url): bool
{
$curlResult = HTTPSignature::fetchRaw($url, 0);
}
// @todo To ensure that the remote system is working correctly, we can check if the "Content-Type" contains JSON
- return in_array($curlResult->getReturnCode(), [404]);
+ if (in_array($curlResult->getReturnCode(), [401, 404])) {
+ return true;
+ }
+
+ if ($curlResult->isSuccess()) {
+ $object = json_decode($curlResult->getBody(), true);
+ if (!empty($object)) {
+ $activity = JsonLD::compact($object);
+ if (JsonLD::fetchElement($activity, '@type') == 'as:Tombstone') {
+ return true;
+ }
+ }
+ } elseif ($curlResult->getReturnCode() == 0) {
+ $host = parse_url($url, PHP_URL_HOST);
+ if (!(filter_var($host, FILTER_VALIDATE_IP) || @dns_get_record($host . '.', DNS_A + DNS_AAAA))) {
+ return true;
+ }
+ }
+
+ return false;
}
/**
* Delete items
public static function createActivity(array $activity, string $verb)
{
$activity['reply-to-id'] = $activity['object_id'];
- $item = self::createItem($activity);
+ $item = self::createItem($activity, false);
if (empty($item)) {
return;
}
Logger::warning('Unknown parent item.', ['uri' => $parent_uri]);
return false;
}
- if (($item['private'] == Item::PRIVATE) && ($parent['private'] != Item::PRIVATE)) {
+ if (!empty($activity['type']) && in_array($activity['type'], Receiver::CONTENT_TYPES) && ($item['private'] == Item::PRIVATE) && ($parent['private'] != Item::PRIVATE)) {
Logger::warning('Item is private but the parent is not. Dropping.', ['item-uri' => $item['uri'], 'thr-parent' => $item['thr-parent']]);
return false;
}
if (!self::isSolicitedMessage($activity, $item)) {
DBA::delete('item-uri', ['id' => $item['uri-id']]);
+ if (!empty($activity['entry-id'])) {
+ Queue::deleteById($activity['entry-id']);
+ }
return;
}
$item['post-reason'] = Item::PR_NONE;
}
- if (!empty($activity['from-relay'])) {
- $item['post-reason'] = Item::PR_RELAY;
- } elseif (!empty($activity['thread-completion'])) {
- $item['post-reason'] = Item::PR_FETCHED;
+ $item['post-reason'] = Item::getPostReason($item);
+
+ if (in_array($item['post-reason'], [Item::PR_GLOBAL, Item::PR_NONE])) {
+ if (!empty($activity['from-relay'])) {
+ $item['post-reason'] = Item::PR_RELAY;
+ } elseif (!empty($activity['thread-completion'])) {
+ $item['post-reason'] = Item::PR_FETCHED;
+ } elseif (!empty($activity['push'])) {
+ $item['post-reason'] = Item::PR_PUSHED;
+ }
}
if ($item['isForum'] ?? false) {
continue;
}
- if (!($item['isForum'] ?? false) && ($receiver != 0) && ($item['gravity'] == GRAVITY_PARENT) && !Contact::isSharingByURL($activity['author'], $receiver)) {
- if ($item['post-reason'] == Item::PR_BCC) {
- Logger::info('Top level post via BCC from a non sharer, ignoring', ['uid' => $receiver, 'contact' => $item['contact-id']]);
- continue;
- }
+ if (($receiver != 0) && ($item['gravity'] == GRAVITY_PARENT) && !in_array($item['post-reason'], [Item::PR_FOLLOWER, Item::PR_TAG, item::PR_TO, Item::PR_CC])) {
+ if (!($item['isForum'] ?? false)) {
+ if ($item['post-reason'] == Item::PR_BCC) {
+ Logger::info('Top level post via BCC from a non sharer, ignoring', ['uid' => $receiver, 'contact' => $item['contact-id'], 'url' => $item['uri']]);
+ continue;
+ }
- if (
- !empty($activity['thread-children-type'])
- && in_array($activity['thread-children-type'], Receiver::ACTIVITY_TYPES)
- && DI::pConfig()->get($receiver, 'system', 'accept_only_sharer') != Item::COMPLETION_LIKE
- ) {
- Logger::info('Top level post from thread completion from a non sharer had been initiated via an activity, ignoring',
- ['type' => $activity['thread-children-type'], 'user' => $item['uid'], 'causer' => $item['causer-link'], 'author' => $activity['author'], 'url' => $item['uri']]);
- continue;
+ if ((DI::pConfig()->get($receiver, 'system', 'accept_only_sharer') != Item::COMPLETION_LIKE)
+ && in_array($activity['thread-children-type'] ?? '', Receiver::ACTIVITY_TYPES)) {
+ Logger::info('Top level post from thread completion from a non sharer had been initiated via an activity, ignoring',
+ ['type' => $activity['thread-children-type'], 'user' => $item['uid'], 'causer' => $item['causer-link'], 'author' => $activity['author'], 'url' => $item['uri']]);
+ continue;
+ }
}
- }
- $is_forum = false;
-
- if ($receiver != 0) {
+ $is_forum = false;
$user = User::getById($receiver, ['account-type']);
if (!empty($user['account-type'])) {
$is_forum = ($user['account-type'] == User::ACCOUNT_TYPE_COMMUNITY);
}
- }
-
- if (!$is_forum && DI::pConfig()->get($receiver, 'system', 'accept_only_sharer') == Item::COMPLETION_NONE && ($receiver != 0) && ($item['gravity'] == GRAVITY_PARENT)) {
- $skip = !Contact::isSharingByURL($activity['author'], $receiver);
-
- if ($skip && (($activity['type'] == 'as:Announce') || ($item['isForum'] ?? false))) {
- $skip = !Contact::isSharingByURL($activity['actor'], $receiver);
- }
- if ($skip) {
- Logger::info('Skipping post', ['uid' => $receiver, 'url' => $item['uri']]);
+ if ((DI::pConfig()->get($receiver, 'system', 'accept_only_sharer') == Item::COMPLETION_NONE)
+ && ((!$is_forum && !($item['isForum'] ?? false) && ($activity['type'] != 'as:Announce'))
+ || !Contact::isSharingByURL($activity['actor'], $receiver))) {
+ Logger::info('Actor is a non sharer, is no forum or it is no announce', ['uid' => $receiver, 'actor' => $activity['actor'], 'url' => $item['uri'], 'type' => $activity['type']]);
continue;
}
$success = true;
} else {
Logger::notice('Item insertion aborted', ['uri' => $item['uri'], 'uid' => $item['uid']]);
- if (Item::isTooOld($item) || !Item::isValid($item)) {
- Queue::remove($activity);
+ if (($item['uid'] == 0) && (count($activity['receiver']) > 1)) {
+ Logger::info('Public item was aborted. We skip for all users.', ['uri' => $item['uri']]);
+ break;
}
}
}
}
- if ($success) {
- Queue::remove($activity);
+ Queue::remove($activity);
+
+ if ($success && Queue::hasChildren($item['uri']) && Post::exists(['uri' => $item['uri']])) {
Queue::processReplyByUri($item['uri']);
}
Logger::info('Fetched featured posts', ['new' => $new, 'old' => $old, 'contact' => $url]);
}
+ public static function fetchCachedActivity(string $url, int $uid): array
+ {
+ $cachekey = self::CACHEKEY_FETCH_ACTIVITY . $uid . ':' . $url;
+ $object = DI::cache()->get($cachekey);
+
+ if (!is_null($object)) {
+ if (!empty($object)) {
+ Logger::debug('Fetch from cache', ['url' => $url, 'uid' => $uid]);
+ } else {
+ Logger::debug('Fetch from negative cache', ['url' => $url, 'uid' => $uid]);
+ }
+ return $object;
+ }
+
+ $object = ActivityPub::fetchContent($url, $uid);
+ if (empty($object)) {
+ Logger::notice('Activity was not fetchable, aborting.', ['url' => $url, 'uid' => $uid]);
+ // We perform negative caching.
+ DI::cache()->set($cachekey, [], Duration::FIVE_MINUTES);
+ return [];
+ }
+
+ if (empty($object['id'])) {
+ Logger::notice('Activity has got not id, aborting. ', ['url' => $url, 'object' => $object]);
+ return [];
+ }
+ DI::cache()->set($cachekey, $object, Duration::FIVE_MINUTES);
+
+ Logger::debug('Activity was fetched successfully', ['url' => $url, 'uid' => $uid]);
+
+ return $object;
+ }
+
/**
* Fetches missing posts
*
*/
public static function fetchMissingActivity(string $url, array $child = [], string $relay_actor = '', int $completion = Receiver::COMPLETION_MANUAL): string
{
- if (!empty($child['receiver'])) {
- $uid = ActivityPub\Receiver::getFirstUserFromReceivers($child['receiver']);
- } else {
- $uid = 0;
- }
-
- $object = ActivityPub::fetchContent($url, $uid);
+ $object = self::fetchCachedActivity($url, 0);
if (empty($object)) {
- Logger::notice('Activity was not fetchable, aborting.', ['url' => $url, 'uid' => $uid]);
- return '';
- }
-
- if (empty($object['id'])) {
- Logger::notice('Activity has got not id, aborting. ', ['url' => $url, 'object' => $object]);
return '';
}
$compacted = JsonLD::compact($object);
$attributed_to = JsonLD::fetchElement($compacted, 'as:attributedTo', '@id');
}
- $signer[] = $attributed_to;
+ $signer[] = $attributed_to;
}
if (!empty($object['actor'])) {
$ldactivity = JsonLD::compact($activity);
- $ldactivity['recursion-depth'] = !empty($child['recursion-depth']) ? $child['recursion-depth'] + 1 : 1;
+ $ldactivity['recursion-depth'] = !empty($child['recursion-depth']) ? $child['recursion-depth'] + 1 : 0;
if (!empty($relay_actor)) {
$ldactivity['thread-completion'] = $ldactivity['from-relay'] = Contact::getIdForURL($relay_actor);
$ldactivity['completion-mode'] = $completion;
}
- if (!empty($child['type'])) {
+ if (!empty($child['thread-children-type'])) {
+ $ldactivity['thread-children-type'] = $child['thread-children-type'];
+ } elseif (!empty($child['type'])) {
$ldactivity['thread-children-type'] = $child['type'];
+ } else {
+ $ldactivity['thread-children-type'] = 'as:Create';
}
if (!empty($relay_actor) && !self::acceptIncomingMessage($ldactivity, $object['id'])) {
return '';
}
- ActivityPub\Receiver::processActivity($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), 0, 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'];
}
{
$uid = User::getIdForURL($activity['object_id']);
if (empty($uid)) {
+ Queue::remove($activity);
return;
}
projects / friendica.git / blobdiff