-
- /**
- * Process client to server activities
- *
- * @param array $activity
- * @param integer $uid
- * @param array $application
- * @return array
- */
- public static function processC2SActivity(array $activity, int $uid, array $application): array
- {
- $ldactivity = JsonLD::compact($activity);
- if (empty($ldactivity)) {
- Logger::notice('Invalid activity', ['activity' => $activity, 'uid' => $uid]);
- return [];
- }
-
- $type = JsonLD::fetchElement($ldactivity, '@type');
- if (!$type) {
- Logger::notice('Empty type', ['activity' => $ldactivity, 'uid' => $uid]);
- return [];
- }
-
- $object_id = JsonLD::fetchElement($ldactivity, 'as:object', '@id') ?? '';
- $object_type = self::fetchObjectType($ldactivity, $object_id, $uid);
- if (!$object_type && !$object_id) {
- Logger::notice('Empty object type or id', ['activity' => $ldactivity, 'uid' => $uid]);
- return [];
- }
-
- Logger::debug('Processing activity', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'activity' => $ldactivity]);
- return self::routeC2SActivities($type, $object_type, $object_id, $uid, $application, $ldactivity);
- }
-
- /**
- * Accumulate the targets and visibility of this post
- *
- * @param array $object
- * @param string $actor
- * @return array
- */
- private static function getTargets(array $object, string $actor): array
- {
- $profile = APContact::getByURL($actor);
- $followers = $profile['followers'];
-
- $targets = [];
-
- foreach (['as:to', 'as:cc', 'as:bto', 'as:bcc'] as $element) {
- switch ($element) {
- case 'as:to':
- $type = self::TARGET_TO;
- break;
- case 'as:cc':
- $type = self::TARGET_CC;
- break;
- case 'as:bto':
- $type = self::TARGET_BTO;
- break;
- case 'as:bcc':
- $type = self::TARGET_BCC;
- break;
- }
- $receiver_list = JsonLD::fetchElementArray($object, $element, '@id');
- if (empty($receiver_list)) {
- continue;
- }
-
- foreach ($receiver_list as $receiver) {
- if ($receiver == self::PUBLIC_COLLECTION) {
- $targets[self::TARGET_GLOBAL] = ($element == 'as:to');
- continue;
- }
-
- if ($receiver == $followers) {
- $targets[self::TARGET_FOLLOWER] = true;
- continue;
- }
- $targets[$type][] = Contact::getIdForURL($receiver);
- }
- }
- return $targets;
- }
-
- /**
- * Route client to server activities
- *
- * @param string $type
- * @param string $object_type
- * @param string $object_id
- * @param integer $uid
- * @param array $application
- * @param array $ldactivity
- * @return array
- */
- private static function routeC2SActivities(string $type, string $object_type, string $object_id, int $uid, array $application, array $ldactivity): array
- {
- switch ($type) {
- case 'as:Create':
- if (in_array($object_type, self::CONTENT_TYPES)) {
- return self::createContent($uid, $application, $ldactivity);
- }
- break;
- case 'as:Update':
- if (in_array($object_type, self::CONTENT_TYPES) && !empty($object_id)) {
- return self::updateContent($uid, $object_id, $application, $ldactivity);
- }
- break;
- case 'as:Follow':
- if (in_array($object_type, self::ACCOUNT_TYPES) && !empty($object_id)) {
- return self::followAccount($uid, $object_id, $ldactivity);
- }
- break;
- }
- return [];
- }
-
- /**
- * Create a new post or comment
- *
- * @param integer $uid
- * @param array $application
- * @param array $ldactivity
- * @return array
- */
- private static function createContent(int $uid, array $application, array $ldactivity): array
- {
- $object_data = self::processObject($ldactivity['as:object'], true);
- $item = Processor::processC2SContent($object_data, $application, $uid);
- Logger::debug('Got data', ['item' => $item, 'object' => $object_data]);
-
- $id = Item::insert($item, true);
- if (!empty($id)) {
- $item = Post::selectFirst(['uri-id'], ['id' => $id]);
- if (!empty($item['uri-id'])) {
- return Transmitter::createActivityFromItem($id);
- }
- }
- return [];
- }
-
- /**
- * Update an existing post or comment
- *
- * @param integer $uid
- * @param string $object_id
- * @param array $application
- * @param array $ldactivity
- * @return array
- */
- private static function updateContent(int $uid, string $object_id, array $application, array $ldactivity):array
- {
- $id = Item::fetchByLink($object_id, $uid);
- $original_post = Post::selectFirst(['uri-id'], ['uid' => $uid, 'origin' => true, 'id' => $id]);
- if (empty($original_post)) {
- Logger::debug('Item not found or does not belong to the user', ['id' => $id, 'uid' => $uid, 'object_id' => $object_id, 'activity' => $ldactivity]);
- return [];
- }
-
- $object_data = self::processObject($ldactivity['as:object'], true);
- $item = Processor::processC2SContent($object_data, $application, $uid);
- if (empty($item['title']) && empty($item['body'])) {
- Logger::debug('Empty body and title', ['id' => $id, 'uid' => $uid, 'object_id' => $object_id, 'activity' => $ldactivity]);
- return [];
- }
- $post = ['title' => $item['title'], 'body' => $item['body']];
- Logger::debug('Got data', ['id' => $id, 'uid' => $uid, 'item' => $post]);
- Item::update($post, ['id' => $id]);
- Item::updateDisplayCache($original_post['uri-id']);
-
- return Transmitter::createActivityFromItem($id);
- }
-
- /**
- * Follow a given account
- * @todo Check the expected return value
- *
- * @param integer $uid
- * @param string $object_id
- * @param array $ldactivity
- * @return array
- */
- private static function followAccount(int $uid, string $object_id, array $ldactivity): array
- {
- return [];
- }