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C2S: Posting is now possible

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This commit is contained in:
Michael 2023-02-12 14:18:03 +00:00
parent 02f6d0e5f9
commit edb1ce0417
5 changed files with 243 additions and 23 deletions
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27
src/Module/ActivityPub/Outbox.php
View file

@ -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() ?? []);
}
}

2
src/Module/ActivityPub/Whoami.php
View file

@ -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();

58
src/Protocol/ActivityPub/Processor.php
View file

@ -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;
}
}

177
src/Protocol/ActivityPub/Receiver.php
View file

@ -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)
{
}
}

2
static/routes.config.php
View file

@ -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]],