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https://github.com/friendica/friendica
synced 2025-05-03 01:44:25 +02:00
First implementation of ActivityPub C2S
This commit is contained in:
Michael
parent
df021b07e3
commit
101b3c9703
7 changed files with 295 additions and 55 deletions
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@ -244,15 +244,16 @@ class Transmitter
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*
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* @param array $owner Owner array
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* @param integer $page Page number
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* @param integer $max_id Maximum ID
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* @param string $requester URL of requesting account
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* @param boolean $nocache Wether to bypass caching
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* @return array of posts
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function getOutbox(array $owner, int $page = null, string $requester = '', bool $nocache = false): array
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public static function getOutbox(array $owner, int $page = null, int $max_id = null, string $requester = ''): array
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{
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$condition = ['private' => [Item::PUBLIC, Item::UNLISTED]];
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$condition = ['gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT], 'private' => [Item::PUBLIC, Item::UNLISTED]];
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if (!empty($requester)) {
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$requester_id = Contact::getIdForURL($requester, $owner['uid']);
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@ -278,44 +279,86 @@ class Transmitter
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$apcontact = APContact::getByURL($owner['url']);
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return self::getCollection($condition, DI::baseUrl() . '/outbox/' . $owner['nickname'], $page, $max_id, null, $apcontact['statuses_count']);
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}
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public static function getInbox(int $uid, int $page = null, int $max_id = null)
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{
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$owner = User::getOwnerDataById($uid);
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$condition = ['gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT], [Protocol::ACTIVITYPUB, Protocol::DFRN], 'uid' => $uid];
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return self::getCollection($condition, DI::baseUrl() . '/inbox/' . $owner['nickname'], $page, $max_id, $uid, null);
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}
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public static function getPublicInbox(int $uid, int $page = null, int $max_id = null)
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{
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$condition = ['gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT], 'private' => Item::PUBLIC,
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'network' => [Protocol::ACTIVITYPUB, Protocol::DFRN], 'author-blocked' => false, 'author-hidden' => false];
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return self::getCollection($condition, DI::baseUrl() . '/inbox', $page, $max_id, $uid, null);
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}
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private static function getCollection(array $condition, string $path, int $page = null, int $max_id = null, int $uid = null, int $total_items = null)
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{
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$data = ['@context' => ActivityPub::CONTEXT];
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$data['id'] = DI::baseUrl() . '/outbox/' . $owner['nickname'];
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$data['id'] = $path;
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$data['type'] = 'OrderedCollection';
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$data['totalItems'] = $apcontact['statuses_count'] ?? 0;
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if (!is_null($total_items)) {
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$data['totalItems'] = $total_items;
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}
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if (!empty($page)) {
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$data['id'] .= '?' . http_build_query(['page' => $page]);
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}
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if (empty($page)) {
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$data['first'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=1';
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if (empty($page) && empty($max_id)) {
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$data['first'] = $path . '?page=1';
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} else {
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$data['type'] = 'OrderedCollectionPage';
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$list = [];
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$items = Post::select(['id'], $condition, ['limit' => [($page - 1) * 20, 20], 'order' => ['created' => true]]);
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while ($item = Post::fetch($items)) {
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$activity = self::createActivityFromItem($item['id'], true);
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$activity['type'] = $activity['type'] == 'Update' ? 'Create' : $activity['type'];
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if (!empty($max_id)) {
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$condition = DBA::mergeConditions($condition, ["`uri-id` < ?", $max_id]);
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}
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if (!empty($page)) {
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$params = ['limit' => [($page - 1) * 20, 20], 'order' => ['uri-id' => true]];
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} else {
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$params = ['limit' => 20, 'order' => ['uri-id' => true]];
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}
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// Only list "Create" activity objects here, no reshares
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if (!empty($activity['object']) && ($activity['type'] == 'Create')) {
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$list[] = $activity['object'];
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if (!is_null($uid)) {
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$items = Post::selectForUser($uid, ['id', 'uri-id'], $condition, $params);
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} else {
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$items = Post::select(['id', 'uri-id'], $condition, $params);
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}
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$last_id = 0;
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while ($item = Post::fetch($items)) {
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$activity = self::createActivityFromItem($item['id'], false, !is_null($uid));
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if (!empty($activity)) {
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$list[] = $activity;
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$last_id = $item['uri-id'];
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continue;
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}
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}
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DBA::close($items);
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if (count($list) == 20) {
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$data['next'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=' . ($page + 1);
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$data['next'] = $path . '?max_id=' . $last_id;
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}
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// Fix the cached total item count when it is lower than the real count
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$total = (($page - 1) * 20) + $data['totalItems'];
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if ($total > $data['totalItems']) {
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$data['totalItems'] = $total;
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if (!is_null($total_items)) {
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$total = (($page - 1) * 20) + $data['totalItems'];
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if ($total > $data['totalItems']) {
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$data['totalItems'] = $total;
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}
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}
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$data['partOf'] = DI::baseUrl() . '/outbox/' . $owner['nickname'];
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$data['partOf'] = $path;
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$data['orderedItems'] = $list;
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}
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@ -382,11 +425,8 @@ class Transmitter
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while ($item = Post::fetch($items)) {
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$activity = self::createActivityFromItem($item['id'], true);
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$activity['type'] = $activity['type'] == 'Update' ? 'Create' : $activity['type'];
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// Only list "Create" activity objects here, no reshares
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if (!empty($activity['object']) && ($activity['type'] == 'Create')) {
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$list[] = $activity['object'];
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if (!empty($activity)) {
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$list[] = $activity;
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}
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}
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DBA::close($items);
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@ -413,7 +453,7 @@ class Transmitter
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*
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* @return array with service data
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*/
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private static function getService(): array
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public static function getService(): array
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{
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return [
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'type' => 'Service',
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@ -1231,36 +1271,75 @@ class Transmitter
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*
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* @param integer $item_id
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* @param boolean $object_mode Is the activity item is used inside another object?
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* @param boolean $api_mode "true" if used for the API
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* @return false|array
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* @throws \Exception
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*/
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public static function createActivityFromItem(int $item_id, bool $object_mode = false)
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public static function createActivityFromItem(int $item_id, bool $object_mode = false, $api_mode = false)
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{
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Logger::info('Fetching activity', ['item' => $item_id]);
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$item = Post::selectFirst(Item::DELIVER_FIELDLIST, ['id' => $item_id, 'parent-network' => Protocol::NATIVE_SUPPORT]);
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$condition = ['id' => $item_id];
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if (!$api_mode) {
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$condition['parent-network'] = Protocol::NATIVE_SUPPORT;
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}
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Logger::info('Fetching activity', $condition);
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$item = Post::selectFirst(Item::DELIVER_FIELDLIST, $condition);
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if (!DBA::isResult($item)) {
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return false;
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}
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return self::createActivityFromArray($item, $object_mode, $api_mode);
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}
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/**
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* Creates an activity array for a given URI-Id and uid
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*
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* @param integer $uri_id
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* @param integer $uid
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* @param boolean $object_mode Is the activity item is used inside another object?
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* @param boolean $api_mode "true" if used for the API
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* @return false|array
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* @throws \Exception
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*/
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public static function createActivityFromUriId(int $uri_id, int $uid, bool $object_mode = false, $api_mode = false)
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{
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$condition = ['uri-id' => $uri_id, 'uid' => [0, $uid]];
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if (!$api_mode) {
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$condition['parent-network'] = Protocol::NATIVE_SUPPORT;
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}
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Logger::info('Fetching activity', $condition);
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$item = Post::selectFirst(Item::DELIVER_FIELDLIST, $condition, ['order' => ['uid' => true]]);
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if (!DBA::isResult($item)) {
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return false;
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}
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if (empty($item['uri-id'])) {
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Logger::warning('Item without uri-id', ['item' => $item]);
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return false;
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}
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return self::createActivityFromArray($item, $object_mode, $api_mode);
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}
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if (!$item['deleted']) {
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/**
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* Creates an activity array for a given item id
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*
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* @param integer $item_id
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* @param boolean $object_mode Is the activity item is used inside another object?
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* @param boolean $api_mode "true" if used for the API
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* @return false|array
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* @throws \Exception
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*/
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private static function createActivityFromArray(array $item, bool $object_mode = false, $api_mode = false)
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{
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if (!$item['deleted'] && $item['network'] == Protocol::ACTIVITYPUB) {
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$data = Post\Activity::getByURIId($item['uri-id']);
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if (!$item['origin'] && !empty($data)) {
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if ($object_mode) {
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unset($data['@context']);
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unset($data['signature']);
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if (!$object_mode) {
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Logger::info('Return stored conversation', ['item' => $item['id']]);
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return $data;
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} elseif (!empty($data['object'])) {
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Logger::info('Return stored conversation object', ['item' => $item['id']]);
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return $data['object'];
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}
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Logger::info('Return stored conversation', ['item' => $item_id]);
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return $data;
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}
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}
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if (!$item['origin'] && empty($object)) {
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Logger::debug('Post is not ours and is not stored', ['id' => $item_id, 'uri-id' => $item['uri-id']]);
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if (!$api_mode && !$item['origin']) {
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Logger::debug('Post is not ours and is not stored', ['id' => $item['id'], 'uri-id' => $item['uri-id']]);
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return false;
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}
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@ -1301,7 +1380,7 @@ class Transmitter
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$data = array_merge($data, self::createPermissionBlockForItem($item, false));
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if (in_array($data['type'], ['Create', 'Update', 'Delete'])) {
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$data['object'] = $object ?? self::createNote($item);
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$data['object'] = self::createNote($item);
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$data['published'] = DateTimeFormat::utcNow(DateTimeFormat::ATOM);
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} elseif ($data['type'] == 'Add') {
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$data = self::createAddTag($item, $data);
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@ -1314,7 +1393,7 @@ class Transmitter
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} elseif ($data['type'] == 'Follow') {
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$data['object'] = $item['parent-uri'];
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} elseif ($data['type'] == 'Undo') {
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$data['object'] = self::createActivityFromItem($item_id, true);
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$data['object'] = self::createActivityFromItem($item['id'], true);
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} else {
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$data['diaspora:guid'] = $item['guid'];
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if (!empty($item['signed_text'])) {
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@ -1329,12 +1408,11 @@ class Transmitter
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$uid = $item['uid'];
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}
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$owner = User::getOwnerDataById($uid);
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Logger::info('Fetched activity', ['item' => $item['id'], 'uid' => $uid]);
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Logger::info('Fetched activity', ['item' => $item_id, 'uid' => $uid]);
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// We don't sign if we aren't the actor. This is important for relaying content especially for forums
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if (!$object_mode && !empty($owner) && ($data['actor'] == $owner['url'])) {
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// We only sign our own activities
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if (!$api_mode && !$object_mode && $item['origin']) {
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$owner = User::getOwnerDataById($uid);
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return LDSignature::sign($data, $owner);
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} else {
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return $data;
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