use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\System;
+use Friendica\Core\Worker;
+use Friendica\Database\Database;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\APContact;
use Friendica\Model\User;
use Friendica\Protocol\Activity;
use Friendica\Protocol\ActivityPub;
+use Friendica\Util\DateTimeFormat;
use Friendica\Util\HTTPSignature;
use Friendica\Util\JsonLD;
use Friendica\Util\LDSignature;
/**
* Checks incoming message from the inbox
*
- * @param $body
- * @param $header
+ * @param string $body Body string
+ * @param array $header Header lines
* @param integer $uid User ID
+ * @return void
* @throws \Exception
*/
- public static function processInbox($body, $header, $uid)
+ public static function processInbox(string $body, array $header, int $uid)
{
$activity = json_decode($body, true);
if (empty($activity)) {
$ldactivity = JsonLD::compact($activity);
- $actor = JsonLD::fetchElement($ldactivity, 'as:actor', '@id');
+ $actor = JsonLD::fetchElement($ldactivity, 'as:actor', '@id') ?? '';
$apcontact = APContact::getByURL($actor);
+
if (empty($apcontact)) {
Logger::notice('Unable to retrieve AP contact for actor - message is discarded', ['actor' => $actor]);
return;
- } elseif ($apcontact['type'] == 'Application' && $apcontact['nick'] == 'relay') {
+ } elseif (APContact::isRelay($apcontact)) {
self::processRelayPost($ldactivity, $actor);
return;
} else {
APContact::unmarkForArchival($apcontact);
}
+ $sig_contact = HTTPSignature::getKeyIdContact($header);
+ if (APContact::isRelay($sig_contact)) {
+ Logger::info('Message from a relay', ['url' => $sig_contact['url']]);
+ self::processRelayPost($ldactivity, $sig_contact['url']);
+ return;
+ }
+
$http_signer = HTTPSignature::getSigner($body, $header);
if ($http_signer === false) {
- Logger::warning('Invalid HTTP signature, message will be discarded.');
- return;
+ Logger::notice('Invalid HTTP signature, message will not be trusted.', ['uid' => $uid, 'actor' => $actor, 'header' => $header, 'body' => $body]);
+ $signer = [];
} elseif (empty($http_signer)) {
Logger::info('Signer is a tombstone. The message will be discarded, the signer account is deleted.');
return;
} else {
Logger::info('Valid HTTP signature', ['signer' => $http_signer]);
+ $signer = [$http_signer];
}
- $signer = [$http_signer];
-
Logger::info('Message for user ' . $uid . ' is from actor ' . $actor);
- if (LDSignature::isSigned($activity)) {
+ if ($http_signer === false) {
+ $trust_source = false;
+ } elseif (LDSignature::isSigned($activity)) {
$ld_signer = LDSignature::getSigner($activity);
if (empty($ld_signer)) {
Logger::info('Invalid JSON-LD signature from ' . $actor);
$trust_source = false;
}
- self::processActivity($ldactivity, $body, $uid, $trust_source, true, $signer);
+ self::processActivity($ldactivity, $body, $uid, $trust_source, true, $signer, $http_signer);
}
/**
{
$type = JsonLD::fetchElement($activity, '@type');
if (!$type) {
- Logger::info('Empty type', ['activity' => $activity]);
+ Logger::notice('Empty type', ['activity' => $activity, 'actor' => $actor]);
return;
}
- if ($type != 'as:Announce') {
- Logger::info('Not an announcement', ['activity' => $activity]);
- return;
- }
+ $object_type = JsonLD::fetchElement($activity, 'as:object', '@type') ?? '';
$object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
if (empty($object_id)) {
- Logger::info('No object id found', ['activity' => $activity]);
+ Logger::notice('No object id found', ['type' => $type, 'object_type' => $object_type, 'actor' => $actor, 'activity' => $activity]);
+ return;
+ }
+
+ $handle = ($type == 'as:Announce');
+
+ if (!$handle && in_array($type, ['as:Create', 'as:Update'])) {
+ $handle = in_array($object_type, self::CONTENT_TYPES);
+ }
+
+ if (!$handle) {
+ $trust_source = false;
+ $object_data = self::prepareObjectData($activity, 0, false, $trust_source);
+
+ if (!$trust_source) {
+ Logger::notice('Activity trust could not be achieved.', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor, 'activity' => $activity]);
+ return;
+ }
+
+ if (empty($object_data)) {
+ Logger::notice('No object data found', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor, 'activity' => $activity]);
+ return;
+ }
+
+ if (self::routeActivities($object_data, $type, true)) {
+ Logger::debug('Handled activity', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor]);
+ } else {
+ Logger::info('Unhandled activity', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor, 'activity' => $activity]);
+ }
return;
}
return;
}
- Logger::info('Got relayed message id', ['id' => $object_id]);
+ Logger::debug('Got relayed message id', ['id' => $object_id, 'actor' => $actor]);
$item_id = Item::searchByLink($object_id);
if ($item_id) {
- Logger::info('Relayed message already exists', ['id' => $object_id, 'item' => $item_id]);
+ Logger::info('Relayed message already exists', ['id' => $object_id, 'item' => $item_id, 'actor' => $actor]);
return;
}
$id = Processor::fetchMissingActivity($object_id, [], $actor, self::COMPLETION_RELAY);
if (empty($id)) {
- Logger::notice('Relayed message had not been fetched', ['id' => $object_id]);
+ Logger::notice('Relayed message had not been fetched', ['id' => $object_id, 'actor' => $actor]);
return;
}
-
- $item_id = Item::searchByLink($object_id);
- if ($item_id) {
- Logger::info('Relayed message had been fetched and stored', ['id' => $object_id, 'item' => $item_id]);
- } else {
- Logger::notice('Relayed message had not been stored', ['id' => $object_id]);
- }
}
/**
* @param string $object_id Object ID of the the provided object
* @param integer $uid User ID
*
- * @return string with object type
+ * @return string with object type or NULL
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- private static function fetchObjectType($activity, $object_id, $uid = 0)
+ private static function fetchObjectType(array $activity, string $object_id, int $uid = 0)
{
if (!empty($activity['as:object'])) {
$object_type = JsonLD::fetchElement($activity['as:object'], '@type');
return 'as:' . $profile['type'];
}
- $data = ActivityPub::fetchContent($object_id, $uid);
+ $data = Processor::fetchCachedActivity($object_id, $uid);
if (!empty($data)) {
$object = JsonLD::compact($data);
$type = JsonLD::fetchElement($object, '@type');
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- public static function prepareObjectData($activity, $uid, $push, &$trust_source)
+ public static function prepareObjectData(array $activity, int $uid, bool $push, bool &$trust_source): array
{
- $id = JsonLD::fetchElement($activity, '@id');
+ $id = JsonLD::fetchElement($activity, '@id');
+ $type = JsonLD::fetchElement($activity, '@type');
+ $object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
+
+ if (!empty($object_id) && in_array($type, ['as:Create', 'as:Update'])) {
+ $fetch_id = $object_id;
+ } else {
+ $fetch_id = $id;
+ }
+
+ if (!empty($activity['as:object'])) {
+ $object_type = JsonLD::fetchElement($activity['as:object'], '@type');
+ }
+
if (!empty($id) && !$trust_source) {
$fetch_uid = $uid ?: self::getBestUserForActivity($activity);
- $fetched_activity = ActivityPub::fetchContent($id, $fetch_uid);
+ $fetched_activity = Processor::fetchCachedActivity($fetch_id, $fetch_uid);
if (!empty($fetched_activity)) {
$object = JsonLD::compact($fetched_activity);
- $fetched_id = JsonLD::fetchElement($object, '@id');
- if ($fetched_id == $id) {
+
+ $fetched_id = JsonLD::fetchElement($object, '@id');
+ $fetched_type = JsonLD::fetchElement($object, '@type');
+
+ if (($fetched_id == $id) && !empty($fetched_type) && ($fetched_type == $type)) {
Logger::info('Activity had been fetched successfully', ['id' => $id]);
$trust_source = true;
$activity = $object;
+ } elseif (($fetched_id == $object_id) && !empty($fetched_type) && ($fetched_type == $object_type)) {
+ Logger::info('Fetched data is the object instead of the activity', ['id' => $id]);
+ $trust_source = true;
+ unset($object['@context']);
+ $activity['as:object'] = $object;
} else {
Logger::info('Activity id is not equal', ['id' => $id, 'fetched' => $fetched_id]);
}
// Fetch the activity on Lemmy "Announce" messages (announces of activities)
if (($type == 'as:Announce') && in_array($object_type, array_merge(self::ACTIVITY_TYPES, ['as:Delete', 'as:Undo', 'as:Update']))) {
- $data = ActivityPub::fetchContent($object_id, $fetch_uid);
+ Logger::debug('Fetch announced activity', ['object' => $object_id]);
+ $data = Processor::fetchCachedActivity($object_id, $fetch_uid);
if (!empty($data)) {
$type = $object_type;
$activity = JsonLD::compact($data);
$object_data['object_object'] = JsonLD::fetchElement($activity['as:object'], 'as:object');
$object_data['object_type'] = JsonLD::fetchElement($activity['as:object'], '@type');
$object_data['push'] = $push;
+ if (!$trust_source && ($type == 'as:Delete')) {
+ $apcontact = APContact::getByURL($object_data['object_id'], true);
+ $trust_source = empty($apcontact) || ($apcontact['type'] == 'Tombstone') || $apcontact['suspended'];
+ }
} elseif (in_array($type, ['as:Create', 'as:Update', 'as:Announce', 'as:Invite']) || strpos($type, '#emojiReaction')) {
// Fetch the content only on activities where this matters
// We can receive "#emojiReaction" when fetching content from Hubzilla systems
if (($type == 'as:Undo') && !empty($object_data['object_object'])) {
$object_data['object_object_type'] = self::fetchObjectType([], $object_data['object_object'], $fetch_uid);
}
+
+ if (!$trust_source && ($type == 'as:Delete') && in_array($object_data['object_type'], array_merge(['as:Tombstone', ''], self::CONTENT_TYPES))) {
+ $trust_source = Processor::isActivityGone($object_data['object_id']);
+ if (!$trust_source) {
+ $trust_source = !empty(APContact::getByURL($object_data['object_id'], false));
+ }
+ }
}
$object_data = self::addActivityFields($object_data, $activity);
$object_data['receiver'] = array_replace($object_data['receiver'] ?? [], $receivers);
$object_data['reception_type'] = array_replace($object_data['reception_type'] ?? [], $reception_types);
- $author = $object_data['author'] ?? $actor;
- if (!empty($author) && !empty($object_data['id'])) {
- $author_host = parse_url($author, PHP_URL_HOST);
- $id_host = parse_url($object_data['id'], PHP_URL_HOST);
- if ($author_host == $id_host) {
- Logger::info('Valid hosts', ['type' => $type, 'host' => $id_host]);
- } else {
- Logger::notice('Differing hosts on author and id', ['type' => $type, 'author' => $author_host, 'id' => $id_host]);
- $trust_source = false;
- }
- }
+// This check here interferes with Hubzilla posts where the author host differs from the host the post was created
+// $author = $object_data['author'] ?? $actor;
+// if (!empty($author) && !empty($object_data['id'])) {
+// $author_host = parse_url($author, PHP_URL_HOST);
+// $id_host = parse_url($object_data['id'], PHP_URL_HOST);
+// if ($author_host == $id_host) {
+// Logger::info('Valid hosts', ['type' => $type, 'host' => $id_host]);
+// } else {
+// Logger::notice('Differing hosts on author and id', ['type' => $type, 'author' => $author_host, 'id' => $id_host]);
+// $trust_source = false;
+// }
+// }
- Logger::info('Processing ' . $object_data['type'] . ' ' . $object_data['object_type'] . ' ' . $object_data['id']);
+ $account = Contact::selectFirstAccount(['platform'], ['nurl' => Strings::normaliseLink($actor)]);
+ $platform = $account['platform'] ?? '';
+
+ Logger::info('Processing', ['type' => $object_data['type'], 'object_type' => $object_data['object_type'], 'id' => $object_data['id'], 'actor' => $actor, 'platform' => $platform]);
return $object_data;
}
* @param array $receivers Array with receivers
* @return integer user id;
*/
- public static function getFirstUserFromReceivers($receivers)
+ public static function getFirstUserFromReceivers(array $receivers): int
{
foreach ($receivers as $receiver) {
if (!empty($receiver)) {
/**
* Processes the activity object
*
- * @param array $activity Array with activity data
- * @param string $body The unprocessed body
- * @param integer $uid User ID
- * @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
- * @throws \Exception
+ * @param array $activity Array with activity data
+ * @param string $body The unprocessed body
+ * @param int|null $uid User ID
+ * @param boolean $trust_source Do we trust the source?
+ * @param boolean $push Message had been pushed to our system
+ * @param array $signer The signer of the post
+ *
+ * @return bool
+ *
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
- public static function processActivity($activity, string $body = '', int $uid = null, bool $trust_source = false, bool $push = false, array $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'])) {
$object_data = self::prepareObjectData($activity, $uid, $push, $trust_source);
if (empty($object_data)) {
Logger::info('No object data found', ['activity' => $activity]);
- return;
+ return true;
}
// Lemmy is announcing activities.
// We are changing the announces into regular activities.
if (($type == 'as:Announce') && in_array($object_data['type'] ?? '', array_merge(self::ACTIVITY_TYPES, ['as:Delete', 'as:Undo', 'as:Update']))) {
+ Logger::debug('Change type of announce to activity', ['type' => $object_data['type']]);
$type = $object_data['type'];
}
- if (!$trust_source) {
- Logger::info('Activity trust could not be achieved.', ['id' => $object_data['object_id'], 'type' => $type, 'signer' => $signer, 'actor' => $actor, 'attributedTo' => $attributed_to]);
- return;
- }
-
if (!empty($body) && empty($object_data['raw'])) {
$object_data['raw'] = $body;
}
$object_data['from-relay'] = $activity['from-relay'];
}
+ if ($type == 'as:Announce') {
+ $object_data['object_activity'] = $activity;
+ }
+
+ if (($type == 'as:Create') && $trust_source) {
+ if (self::hasArrived($object_data['object_id'])) {
+ Logger::info('The activity already arrived.', ['id' => $object_data['object_id']]);
+ return true;
+ }
+ self::addArrivedId($object_data['object_id']);
+
+ if (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' => $attributed_to]);
+ return true;
+ }
+
+ if (!empty($object_data['entry-id']) && DI::config()->get('system', 'decoupled_receiver') && ($push || ($completion == self::COMPLETION_RELAY))) {
+ if (Queue::isProcessable($object_data['entry-id'])) {
+ // 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']]);
+ $wid = Worker::add(['priority' => PRIORITY_HIGH, 'delayed' => $delayed], 'ProcessQueue', $object_data['entry-id']);
+ Queue::setWorkerId($object_data['entry-id'], $wid);
+ } else {
+ Logger::debug('Other queue entries need to be processed first.', ['id' => $object_data['entry-id']]);
+ }
+ return false;
+ }
+
+ if (!empty($activity['recursion-depth'])) {
+ $object_data['recursion-depth'] = $activity['recursion-depth'];
+ }
+
if (in_array('as:Question', [$object_data['object_type'] ?? '', $object_data['object_object_type'] ?? ''])) {
self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
}
+ if (!self::routeActivities($object_data, $type, $push)) {
+ self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ Queue::remove($object_data);
+ }
+ return true;
+ }
+
+ /**
+ * Route activities
+ *
+ * @param array $object_data
+ * @param string $type
+ * @param bool $push
+ * @param bool $fetch_parents
+ *
+ * @return boolean Could the activity be routed?
+ */
+ public static function routeActivities(array $object_data, string $type, bool $push, bool $fetch_parents = true): bool
+ {
+ $activity = $object_data['object_activity'] ?? [];
+
switch ($type) {
case 'as:Create':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- $item = ActivityPub\Processor::createItem($object_data);
+ $item = ActivityPub\Processor::createItem($object_data, $fetch_parents);
ActivityPub\Processor::postItem($object_data, $item);
} elseif (in_array($object_data['object_type'], ['pt:CacheFile'])) {
// Unhandled Peertube activity
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
case 'as:Invite':
if (in_array($object_data['object_type'], ['as:Event'])) {
- $item = ActivityPub\Processor::createItem($object_data);
+ $item = ActivityPub\Processor::createItem($object_data, $fetch_parents);
ActivityPub\Processor::postItem($object_data, $item);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::addToFeaturedCollection($object_data);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
case 'as:Announce':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
+ $actor = JsonLD::fetchElement($activity, 'as:actor', '@id');
$object_data['thread-completion'] = Contact::getIdForURL($actor);
$object_data['completion-mode'] = self::COMPLETION_ANNOUCE;
- $item = ActivityPub\Processor::createItem($object_data);
- if (empty($item)) {
- return;
- }
-
- $item['post-reason'] = Item::PR_ANNOUNCEMENT;
- ActivityPub\Processor::postItem($object_data, $item);
-
- $announce_object_data = self::processObject($activity);
- $announce_object_data['name'] = $type;
- $announce_object_data['author'] = JsonLD::fetchElement($activity, 'as:actor', '@id');
- $announce_object_data['object_id'] = $object_data['object_id'];
- $announce_object_data['object_type'] = $object_data['object_type'];
- $announce_object_data['push'] = $push;
+ if (!Post::exists(['uri' => $object_data['id'], 'uid' => 0])) {
+ $item = ActivityPub\Processor::createItem($object_data, $fetch_parents);
+ if (empty($item)) {
+ Logger::debug('announced id was not created', ['id' => $object_data['id']]);
+ return false;
+ }
- if (!empty($body)) {
- $announce_object_data['raw'] = $body;
+ $item['post-reason'] = Item::PR_ANNOUNCEMENT;
+ ActivityPub\Processor::postItem($object_data, $item);
+ Logger::debug('Created announced id', ['id' => $object_data['id']]);
+ } else {
+ Logger::info('Announced id already exists', ['id' => $object_data['id']]);
+ Queue::remove($object_data);
}
- ActivityPub\Processor::createActivity($announce_object_data, Activity::ANNOUNCE);
+ if (!empty($activity)) {
+ $announce_object_data = self::processObject($activity);
+ $announce_object_data['name'] = $type;
+ $announce_object_data['author'] = $actor;
+ $announce_object_data['object_id'] = $object_data['id'];
+ $announce_object_data['object_type'] = $object_data['object_type'];
+ $announce_object_data['push'] = $push;
+ Logger::debug('Create announce activity', ['id' => $announce_object_data['id'], 'object_data' => $announce_object_data]);
+
+ if (!empty($object_data['raw'])) {
+ $announce_object_data['raw'] = $object_data['raw'];
+ }
+ if (!empty($object_data['raw-object'])) {
+ $announce_object_data['raw-object'] = $object_data['raw-object'];
+ }
+ ActivityPub\Processor::createActivity($announce_object_data, Activity::ANNOUNCE);
+ }
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::createActivity($object_data, Activity::LIKE);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::createActivity($object_data, Activity::DISLIKE);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::ATTENDMAYBE);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::updatePerson($object_data);
} elseif (in_array($object_data['object_type'], ['pt:CacheFile'])) {
// Unhandled Peertube activity
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::deletePerson($object_data);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. Most likely we don't have it here. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
if (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::blockAccount($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
case 'as:Remove':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::removeFromFeaturedCollection($object_data);
+ ActivityPub\Processor::removeFromFeaturedCollection($object_data);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
$object_data['reply-to-id'] = $object_data['object_id'];
ActivityPub\Processor::createActivity($object_data, Activity::FOLLOW);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
case 'as:Accept':
if ($object_data['object_type'] == 'as:Follow') {
- ActivityPub\Processor::acceptFollowUser($object_data);
+ if (!empty($object_data['object_actor'])) {
+ ActivityPub\Processor::acceptFollowUser($object_data);
+ } else {
+ Logger::notice('Unhandled "accept follow" message.', ['object_data' => $object_data]);
+ }
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::ATTEND);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
ActivityPub\Processor::createActivity($object_data, Activity::ATTENDNO);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
} elseif (($object_data['object_type'] == 'as:Block') &&
in_array($object_data['object_object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::unblockAccount($object_data);
- } elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce'])) &&
- in_array($object_data['object_object_type'], array_merge(['as:Tombstone'], self::CONTENT_TYPES))) {
- ActivityPub\Processor::undoActivity($object_data);
} elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce', 'as:Create', ''])) &&
empty($object_data['object_object_type'])) {
// We cannot detect the target object. So we can ignore it.
+ Queue::remove($object_data);
+ } elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce'])) &&
+ in_array($object_data['object_object_type'], array_merge(['as:Tombstone'], self::CONTENT_TYPES))) {
+ ActivityPub\Processor::undoActivity($object_data);
} elseif (in_array($object_data['object_type'], ['as:Create']) &&
in_array($object_data['object_object_type'], ['pt:CacheFile'])) {
// Unhandled Peertube activity
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::createActivity($object_data, Activity::VIEW);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. Most likely we don't have it here. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
ActivityPub\Processor::createActivity($object_data, Activity::EMOJIREACT);
} elseif ($object_data['object_type'] == '') {
// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
+ Queue::remove($object_data);
} else {
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+ return false;
}
break;
-
+
default:
Logger::info('Unknown activity: ' . $type . ' ' . $object_data['object_type']);
- self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
- break;
+ return false;
}
+ return true;
}
/**
}
$file = ($unknown ? 'unknown-' : 'unhandled-') . str_replace(':', '-', $type) . '-';
-
+
if (!empty($object_data['object_type'])) {
$file .= str_replace(':', '-', $object_data['object_type']) . '-';
}
*
* @return int user id
*/
- public static function getBestUserForActivity(array $activity)
+ public static function getBestUserForActivity(array $activity): int
{
$uid = 0;
$actor = JsonLD::fetchElement($activity, 'as:actor', '@id') ?? '';
return $uid;
}
- public static function getReceiverURL($activity)
+ // @TODO Missing documentation
+ public static function getReceiverURL(array $activity): array
{
$urls = [];
* @return array with receivers (user id)
* @throws \Exception
*/
- private static function getReceivers($activity, $actor, $tags = [], $fetch_unlisted = false)
+ private static function getReceivers(array $activity, string $actor, array $tags = [], bool $fetch_unlisted = false): array
{
- $reply = $receivers = [];
+ $reply = $receivers = $profile = [];
// When it is an answer, we inherite the receivers from the parent
$replyto = JsonLD::fetchElement($activity, 'as:inReplyTo', '@id');
}
if (!empty($reply)) {
- $parents = Post::select(['uid'], ['uri' => $reply]);
+ $parents = Post::select(['uid'], DBA::mergeConditions(['uri' => $reply], ["`uid` != ?", 0]));
while ($parent = Post::fetch($parents)) {
$receivers[$parent['uid']] = ['uid' => $parent['uid'], 'type' => self::TARGET_ANSWER];
}
self::switchContacts($receivers, $actor);
+ // "birdsitelive" is a service that mirrors tweets into the fediverse
+ // These posts can be fetched without authentification, but are not marked as public
+ // We treat them as unlisted posts to be able to handle them.
+ if (empty($receivers) && $fetch_unlisted && Contact::isPlatform($actor, 'birdsitelive')) {
+ $receivers[0] = ['uid' => 0, 'type' => self::TARGET_GLOBAL];
+ $receivers[-1] = ['uid' => -1, 'type' => self::TARGET_GLOBAL];
+ Logger::notice('Post from "birdsitelive" is set to "unlisted"', ['id' => JsonLD::fetchElement($activity, '@id')]);
+ } elseif (empty($receivers)) {
+ Logger::notice('Post has got no receivers', ['fetch_unlisted' => $fetch_unlisted, 'actor' => $actor, 'id' => JsonLD::fetchElement($activity, '@id'), 'type' => JsonLD::fetchElement($activity, '@type')]);
+ }
+
return $receivers;
}
* @return array with receivers (user id)
* @throws \Exception
*/
- private static function getReceiverForActor($actor, $tags, $receivers, $target_type, $profile)
+ private static function getReceiverForActor(string $actor, array $tags, array $receivers, int $target_type, array $profile): array
{
$basecondition = ['rel' => [Contact::SHARING, Contact::FRIEND, Contact::FOLLOWER],
'network' => Protocol::FEDERATED, 'archive' => false, 'pending' => false];
* Tests if the contact is a valid receiver for this actor
*
* @param array $contact
- * @param string $actor
* @param array $tags
*
* @return bool with receivers (user id)
* @throws \Exception
*/
- private static function isValidReceiverForActor($contact, $tags)
+ private static function isValidReceiverForActor(array $contact, array $tags): bool
{
// Are we following the contact? Then this is a valid receiver
if (in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND])) {
* @param integer $cid Contact ID
* @param integer $uid User ID
* @param string $url Profile URL
+ * @return void
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- public static function switchContact($cid, $uid, $url)
+ public static function switchContact(int $cid, int $uid, string $url)
{
if (DBA::exists('contact', ['id' => $cid, 'network' => Protocol::ACTIVITYPUB])) {
Logger::info('Contact is already ActivityPub', ['id' => $cid, 'uid' => $uid, 'url' => $url]);
}
/**
- *
+ * @TODO Fix documentation and type-hints
*
* @param $receivers
* @param $actor
+ * @return void
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
}
/**
- *
+ * @TODO Fix documentation and type-hints
*
* @param $object_data
* @param array $activity
*
* @return mixed
*/
- private static function addActivityFields($object_data, $activity)
+ private static function addActivityFields($object_data, array $activity)
{
if (!empty($activity['published']) && empty($object_data['published'])) {
$object_data['published'] = JsonLD::fetchElement($activity, 'as:published', '@value');
$type = JsonLD::fetchElement($object, '@type');
if (!$trust_source || empty($type)) {
- $data = ActivityPub::fetchContent($object_id, $uid);
+ $data = Processor::fetchCachedActivity($object_id, $uid);
if (!empty($data)) {
$object = JsonLD::compact($data);
Logger::info('Fetched content for ' . $object_id);
$object_data = self::processObject($object);
if (!empty($data)) {
- $object_data['raw'] = json_encode($data);
+ $object_data['raw-object'] = json_encode($data);
}
return $object_data;
}
* @param array $languages
* @return array Languages
*/
- public static function processLanguages(array $languages)
+ public static function processLanguages(array $languages): array
{
if (empty($languages)) {
return [];
*
* @return array with tags in a simplified format
*/
- public static function processTags(array $tags)
+ public static function processTags(array $tags): array
{
$taglist = [];
* @param array $emojis
* @return array with emojis in a simplified format
*/
- private static function processEmojis(array $emojis)
+ private static function processEmojis(array $emojis): array
{
$emojilist = [];
*
* @return array Attachments in a simplified format
*/
- private static function processAttachments(array $attachments)
+ private static function processAttachments(array $attachments): array
{
$attachlist = [];
*
* @return array Questions in a simplified format
*/
- private static function processQuestion(array $object)
+ private static function processQuestion(array $object): array
{
$question = [];
* @param array $object
* @param array $object_data
*
- * @return array
+ * @return array Object data (?)
* @throws \Exception
*/
- private static function getSource($object, $object_data)
+ private static function getSource(array $object, array $object_data): array
{
$object_data['source'] = JsonLD::fetchElement($object, 'as:source', 'as:content', 'as:mediaType', 'text/bbcode');
$object_data['source'] = JsonLD::fetchElement($object_data, 'source', '@value');
*
* @param array $object
*
- * @return array
+ * @return array|bool Object data or FALSE if $object does not contain @id element
* @throws \Exception
*/
- private static function processObject($object)
+ private static function processObject(array $object)
{
if (!JsonLD::fetchElement($object, '@id')) {
return false;
$object_data['diaspora:comment'] = JsonLD::fetchElement($object, 'diaspora:comment', '@value');
$object_data['diaspora:like'] = JsonLD::fetchElement($object, 'diaspora:like', '@value');
$object_data['actor'] = $object_data['author'] = $actor;
- $object_data['context'] = JsonLD::fetchElement($object, 'as:context', '@id');
- $object_data['conversation'] = JsonLD::fetchElement($object, 'ostatus:conversation', '@id');
+ $element = JsonLD::fetchElement($object, 'as:context', '@id');
+ $object_data['context'] = $element != './' ? $element : null;
+ $element = JsonLD::fetchElement($object, 'ostatus:conversation', '@id');
+ $object_data['conversation'] = $element != './' ? $element : null;
$object_data['sensitive'] = JsonLD::fetchElement($object, 'as:sensitive');
$object_data['name'] = JsonLD::fetchElement($object, 'as:name', '@value');
$object_data['summary'] = JsonLD::fetchElement($object, 'as:summary', '@value');
$object_data['attachments'] = array_merge($object_data['attachments'], self::processAttachmentUrls($object['as:url'] ?? []));
}
+ // Support for quoted posts (Pleroma, Fedibird and Misskey)
+ $object_data['quote-url'] = JsonLD::fetchElement($object, 'as:quoteUrl', '@value');
+ if (empty($object_data['quote-url'])) {
+ $object_data['quote-url'] = JsonLD::fetchElement($object, 'fedibird:quoteUri', '@value');
+ }
+ if (empty($object_data['quote-url'])) {
+ $object_data['quote-url'] = JsonLD::fetchElement($object, 'misskey:_misskey_quote', '@value');
+ }
+
+ // Misskey adds some data to the standard "content" value for quoted posts for backwards compatibility.
+ // Their own "_misskey_content" value does then contain the content without this extra data.
+ if (!empty($object_data['quote-url'])) {
+ $misskey_content = JsonLD::fetchElement($object, 'misskey:_misskey_content', '@value');
+ if (!empty($misskey_content)) {
+ $object_data['content'] = $misskey_content;
+ }
+ }
+
// For page types we expect that the alternate url posts to some page.
// So we add this to the attachments if it differs from the id.
// Currently only Lemmy is using the page type.
$object_data['question'] = self::processQuestion($object);
}
- $receiverdata = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
+ $receiverdata = self::getReceivers($object, $object_data['actor'] ?? '', $object_data['tags'], true);
$receivers = $reception_types = [];
foreach ($receiverdata as $key => $data) {
$receivers[$key] = $data['uid'];
unset($object_data['receiver'][-1]);
unset($object_data['reception_type'][-1]);
- // Common object data:
-
- // Unhandled
- // @context, type, actor, signature, mediaType, duration, replies, icon
-
- // Also missing: (Defined in the standard, but currently unused)
- // audience, preview, endTime, startTime, image
-
- // Data in Notes:
-
- // Unhandled
- // contentMap, announcement_count, announcements, context_id, likes, like_count
- // inReplyToStatusId, shares, quoteUrl, statusnetConversationId
-
- // Data in video:
-
- // To-Do?
- // category, licence, language, commentsEnabled
+ return $object_data;
+ }
- // Unhandled
- // views, waitTranscoding, state, support, subtitleLanguage
- // likes, dislikes, shares, comments
+ /**
+ * Add an object id to the list of arrived activities
+ *
+ * @param string $id
+ *
+ * @return void
+ */
+ private static function addArrivedId(string $id)
+ {
+ DBA::delete('arrived-activity', ["`received` < ?", DateTimeFormat::utc('now - 5 minutes')]);
+ DBA::insert('arrived-activity', ['object-id' => $id, 'received' => DateTimeFormat::utcNow()], Database::INSERT_IGNORE);
+ }
- return $object_data;
+ /**
+ * Checks if the given object already arrived before
+ *
+ * @param string $id
+ *
+ * @return boolean
+ */
+ private static function hasArrived(string $id): bool
+ {
+ return DBA::exists('arrived-activity', ['object-id' => $id]);
}
}