From edb1ce04179f4352ef906c28cce375de208c497f Mon Sep 17 00:00:00 2001 From: Michael Date: Sun, 12 Feb 2023 14:18:03 +0000 Subject: [PATCH] C2S: Posting is now possible --- src/Module/ActivityPub/Outbox.php | 27 ++++ src/Module/ActivityPub/Whoami.php | 2 +- src/Protocol/ActivityPub/Processor.php | 58 ++++++++ src/Protocol/ActivityPub/Receiver.php | 177 ++++++++++++++++++++++--- static/routes.config.php | 2 +- 5 files changed, 243 insertions(+), 23 deletions(-) diff --git a/src/Module/ActivityPub/Outbox.php b/src/Module/ActivityPub/Outbox.php index fd73028c23..5cd2507777 100644 --- a/src/Module/ActivityPub/Outbox.php +++ b/src/Module/ActivityPub/Outbox.php @@ -26,6 +26,7 @@ use Friendica\Model\User; use Friendica\Module\BaseApi; use Friendica\Protocol\ActivityPub; use Friendica\Util\HTTPSignature; +use Friendica\Util\Network; /** * ActivityPub Outbox @@ -55,4 +56,30 @@ class Outbox extends BaseApi System::jsonExit($outbox, 'application/activity+json'); } + + protected function post(array $request = []) + { + self::checkAllowedScope(self::SCOPE_WRITE); + $uid = self::getCurrentUserID(); + $postdata = Network::postdata(); + + if (empty($postdata) || empty($this->parameters['nickname'])) { + throw new \Friendica\Network\HTTPException\BadRequestException(); + } + + $owner = User::getOwnerDataByNick($this->parameters['nickname']); + if (empty($owner)) { + throw new \Friendica\Network\HTTPException\NotFoundException(); + } + if ($owner['uid'] != $uid) { + throw new \Friendica\Network\HTTPException\ForbiddenException(); + } + + $activity = json_decode($postdata, true); + if (empty($activity)) { + throw new \Friendica\Network\HTTPException\BadRequestException(); + } + + ActivityPub\Receiver::processC2SActivity($activity, $uid, self::getCurrentApplication() ?? []); + } } diff --git a/src/Module/ActivityPub/Whoami.php b/src/Module/ActivityPub/Whoami.php index f9513907cc..cac21744f8 100644 --- a/src/Module/ActivityPub/Whoami.php +++ b/src/Module/ActivityPub/Whoami.php @@ -96,7 +96,7 @@ class Whoami extends BaseApi 'oauthRegistrationEndpoint' => DI::baseUrl() . '/api/v1/apps', 'oauthTokenEndpoint' => DI::baseUrl() . '/oauth/token', 'sharedInbox' => DI::baseUrl() . '/inbox', - 'uploadMedia' => DI::baseUrl() . '/api/upload_media' // @todo Endpoint does not exist at the moment +// 'uploadMedia' => DI::baseUrl() . '/api/upload_media' // @todo Endpoint does not exist at the moment ]; $data['generator'] = ActivityPub\Transmitter::getService(); diff --git a/src/Protocol/ActivityPub/Processor.php b/src/Protocol/ActivityPub/Processor.php index 6836eafe34..5a51d31c41 100644 --- a/src/Protocol/ActivityPub/Processor.php +++ b/src/Protocol/ActivityPub/Processor.php @@ -35,6 +35,7 @@ use Friendica\Model\APContact; use Friendica\Model\Contact; use Friendica\Model\Conversation; use Friendica\Model\Event; +use Friendica\Model\Group; use Friendica\Model\GServer; use Friendica\Model\Item; use Friendica\Model\ItemURI; @@ -2143,4 +2144,61 @@ class Processor return $body; } + + public static function processC2SContent(array $object_data, array $application, int $uid): array + { + $owner = User::getOwnerDataById($uid); + + $item = []; + + $item['network'] = Protocol::DFRN; + $item['uid'] = $uid; + $item['verb'] = Activity::POST; + $item['contact-id'] = $owner['id']; + $item['author-id'] = $item['owner-id'] = Contact::getPublicIdByUserId($uid); + $item['title'] = $object_data['name']; + $item['body'] = Markdown::toBBCode($object_data['content']); + $item['app'] = $application['name'] ?? 'API'; + + if (!empty($object_data['target'][Receiver::TARGET_GLOBAL])) { + $item['allow_cid'] = ''; + $item['allow_gid'] = ''; + $item['deny_cid'] = ''; + $item['deny_gid'] = ''; + $item['private'] = Item::PUBLIC; + } elseif (isset($object_data['target'][Receiver::TARGET_GLOBAL])) { + $item['allow_cid'] = ''; + $item['allow_gid'] = ''; + $item['deny_cid'] = ''; + $item['deny_gid'] = ''; + $item['private'] = Item::UNLISTED; + } elseif (!empty($object_data['target'][Receiver::TARGET_FOLLOWER])) { + $item['allow_cid'] = ''; + $item['allow_gid'] = '<' . Group::FOLLOWERS . '>'; + $item['deny_cid'] = ''; + $item['deny_gid'] = ''; + $item['private'] = Item::PRIVATE; + } else { + // @todo Set permissions via the $object_data['target'] array + $item['allow_cid'] = '<' . $owner['id'] . '>'; + $item['allow_gid'] = ''; + $item['deny_cid'] = ''; + $item['deny_gid'] = ''; + $item['private'] = Item::PRIVATE; + } + + if (!empty($object_data['summary'])) { + $item['body'] = '[abstract=' . Protocol::ACTIVITYPUB . ']' . $object_data['summary'] . "[/abstract]\n" . $item['body']; + } + + if ($object_data['reply-to-id']) { + $item['gravity'] = Item::GRAVITY_COMMENT; + } else { + $item['gravity'] = Item::GRAVITY_PARENT; + } + + $item = DI::contentItem()->expandTags($item); + + return $item; + } } diff --git a/src/Protocol/ActivityPub/Receiver.php b/src/Protocol/ActivityPub/Receiver.php index 6654b18fc6..784d0259d4 100644 --- a/src/Protocol/ActivityPub/Receiver.php +++ b/src/Protocol/ActivityPub/Receiver.php @@ -446,7 +446,7 @@ class Receiver } elseif (in_array($type, array_merge(self::ACTIVITY_TYPES, ['as:Announce', 'as:Follow'])) && in_array($object_type, self::CONTENT_TYPES)) { // Create a mostly empty array out of the activity data (instead of the object). // This way we later don't have to check for the existence of each individual array element. - $object_data = self::processObject($activity); + $object_data = self::processObject($activity, false); $object_data['name'] = $type; $object_data['author'] = JsonLD::fetchElement($activity, 'as:actor', '@id'); $object_data['object_id'] = $object_id; @@ -691,8 +691,6 @@ class Receiver */ public static function routeActivities(array $object_data, string $type, bool $push, bool $fetch_parents = true, int $uid = 0): bool { - $activity = $object_data['object_activity'] ?? []; - switch ($type) { case 'as:Create': if (in_array($object_data['object_type'], self::CONTENT_TYPES)) { @@ -1435,12 +1433,12 @@ class Receiver Logger::info('Empty type'); return false; } - $object_data = self::processObject($object); + $object_data = self::processObject($object, false); } // We currently don't handle 'pt:CacheFile', but with this step we avoid logging if (in_array($type, self::CONTENT_TYPES) || ($type == 'pt:CacheFile')) { - $object_data = self::processObject($object); + $object_data = self::processObject($object, false); if (!empty($data)) { $object_data['raw-object'] = json_encode($data); @@ -1849,9 +1847,9 @@ class Receiver * @return array|bool Object data or FALSE if $object does not contain @id element * @throws \Exception */ - private static function processObject(array $object) + private static function processObject(array $object, bool $c2s) { - if (!JsonLD::fetchElement($object, '@id')) { + if (!$c2s && !JsonLD::fetchElement($object, '@id')) { return false; } @@ -1983,21 +1981,25 @@ class Receiver $object_data['question'] = self::processQuestion($object); } - $receiverdata = self::getReceivers($object, $object_data['actor'] ?? '', $object_data['tags'], true, false); - $receivers = $reception_types = []; - foreach ($receiverdata as $key => $data) { - $receivers[$key] = $data['uid']; - $reception_types[$data['uid']] = $data['type'] ?? 0; + if ($c2s) { + $object_data['target'] = self::getTargets($object, $object_data['actor'] ?? ''); + $object_data['receiver'] = []; + } else { + $receiverdata = self::getReceivers($object, $object_data['actor'] ?? '', $object_data['tags'], true, false); + $receivers = $reception_types = []; + foreach ($receiverdata as $key => $data) { + $receivers[$key] = $data['uid']; + $reception_types[$data['uid']] = $data['type'] ?? 0; + } + + $object_data['receiver_urls'] = self::getReceiverURL($object); + $object_data['receiver'] = $receivers; + $object_data['reception_type'] = $reception_types; + + $object_data['unlisted'] = in_array(-1, $object_data['receiver']); + unset($object_data['receiver'][-1]); + unset($object_data['reception_type'][-1]); } - - $object_data['receiver_urls'] = self::getReceiverURL($object); - $object_data['receiver'] = $receivers; - $object_data['reception_type'] = $reception_types; - - $object_data['unlisted'] = in_array(-1, $object_data['receiver']); - unset($object_data['receiver'][-1]); - unset($object_data['reception_type'][-1]); - return $object_data; } @@ -2025,4 +2027,137 @@ class Receiver { return DBA::exists('arrived-activity', ['object-id' => $id]); } + + public static function processC2SActivity(array $activity, int $uid, array $application) + { + $ldactivity = JsonLD::compact($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' => $ldactivity]); + self::routeC2SActivities($type, $object_type, $object_id, $uid, $application, $ldactivity); + throw new \Friendica\Network\HTTPException\AcceptedException(); + } + + 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; + } + + private static function routeC2SActivities(string $type, string $object_type, string $object_id, int $uid, array $application, array $ldactivity) + { + switch ($type) { + case 'as:Create': + if (in_array($object_type, self::CONTENT_TYPES)) { + self::createContent($uid, $application, $ldactivity); + } + break; + case 'as:Update': + if (in_array($object_type, self::CONTENT_TYPES) && !empty($object_id)) { + self::updateContent($uid, $object_id, $application, $ldactivity); + } + break; + case 'as:Follow': + if (in_array($object_type, self::ACCOUNT_TYPES) && !empty($object_id)) { + self::followAccount($uid, $object_id, $ldactivity); + } + break; + } + } + + private static function createContent(int $uid, array $application, array $ldactivity) + { + $object_data = self::processObject($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'])) { + System::jsonExit(Transmitter::createActivityFromItem($id)); + } + } + } + + private static function updateContent(int $uid, string $object_id, array $application, array $ldactivity) + { + $id = Item::fetchByLink($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']); + + System::jsonExit(Transmitter::createActivityFromItem($id)); + } + + private static function followAccount($uid, $object_id, $ldactivity) + { + + } } diff --git a/static/routes.config.php b/static/routes.config.php index 391a7dc5ee..58fce72777 100644 --- a/static/routes.config.php +++ b/static/routes.config.php @@ -547,7 +547,7 @@ return [ '/h2b' => [Module\Oembed::class, [R::GET]], '/{hash}' => [Module\Oembed::class, [R::GET]], ], - '/outbox/{nickname}' => [Module\ActivityPub\Outbox::class, [R::GET]], + '/outbox/{nickname}' => [Module\ActivityPub\Outbox::class, [R::GET, R::POST]], '/owa' => [Module\Owa::class, [R::GET]], '/openid' => [Module\Security\OpenID::class, [R::GET]], '/opensearch' => [Module\OpenSearch::class, [R::GET]],