*/
class Receiver
{
+ const PUBLIC_COLLECTION = 'as:Public';
+ const ACCOUNT_TYPES = ['as:Person', 'as:Organization', 'as:Service', 'as:Group', 'as:Application'];
+ const CONTENT_TYPES = ['as:Note', 'as:Article', 'as:Video', 'as:Image'];
+ const ACTIVITY_TYPES = ['as:Like', 'as:Dislike', 'as:Accept', 'as:Reject', 'as:TentativeAccept'];
+
/**
* Checks if the web request is done for the AP protocol
*
}
/**
- *
+ * Checks incoming message from the inbox
*
* @param $body
* @param $header
$activity = json_decode($body, true);
- $actor = JsonLD::fetchElement($activity, 'actor', 'id');
- logger('Message for user ' . $uid . ' is from actor ' . $actor, LOGGER_DEBUG);
-
if (empty($activity)) {
logger('Invalid body.', LOGGER_DEBUG);
return;
}
+ $ldactivity = JsonLD::compact($activity);
+
+ $actor = JsonLD::fetchElement($ldactivity, 'as:actor');
+
+ logger('Message for user ' . $uid . ' is from actor ' . $actor, LOGGER_DEBUG);
+
if (LDSignature::isSigned($activity)) {
$ld_signer = LDSignature::getSigner($activity);
if (empty($ld_signer)) {
$trust_source = false;
}
- self::processActivity($activity, $body, $uid, $trust_source);
+ self::processActivity($activity, $ldactivity, $body, $uid, $trust_source);
}
/**
*
* @return
*/
- private static function prepareObjectData($activity, $uid, &$trust_source)
+ private static function prepareObjectData($activity, $ldactivity, $uid, &$trust_source)
{
- $actor = JsonLD::fetchElement($activity, 'actor', 'id');
+ $actor = JsonLD::fetchElement($ldactivity, 'as:actor');
if (empty($actor)) {
logger('Empty actor', LOGGER_DEBUG);
return [];
}
+ $type = JsonLD::fetchElement($ldactivity, '@type');
+
// Fetch all receivers from to, cc, bto and bcc
- $receivers = self::getReceivers($activity, $actor);
+ $receivers = self::getReceivers($ldactivity, $actor);
// When it is a delivery to a personal inbox we add that user to the receivers
if (!empty($uid)) {
logger('Receivers: ' . json_encode($receivers), LOGGER_DEBUG);
- $object_id = JsonLD::fetchElement($activity, 'object', 'id');
+ $object_id = JsonLD::fetchElement($ldactivity, 'as:object');
if (empty($object_id)) {
logger('No object found', LOGGER_DEBUG);
return [];
}
// Fetch the content only on activities where this matters
- if (in_array($activity['type'], ['Create', 'Announce'])) {
- $object_data = self::fetchObject($object_id, $activity['object'], $trust_source);
+ if (in_array($type, ['as:Create', 'as:Announce'])) {
+ $object_data = self::fetchObject($object_id, $activity['object'], $ldactivity['as:object'], $trust_source);
if (empty($object_data)) {
logger("Object data couldn't be processed", LOGGER_DEBUG);
return [];
}
// We had been able to retrieve the object data - so we can trust the source
$trust_source = true;
- } elseif (in_array($activity['type'], ['Like', 'Dislike'])) {
+ } elseif (in_array($type, ['as:Like', 'as:Dislike'])) {
// 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 ech individual array element.
- $object_data = self::processObject($activity);
- $object_data['name'] = $activity['type'];
- $object_data['author'] = $activity['actor'];
+ $object_data = self::processObject($ldactivity);
+ $object_data['name'] = $type;
+ $object_data['author'] = JsonLD::fetchElement($ldactivity, 'as:actor');
$object_data['object'] = $object_id;
$object_data['object_type'] = ''; // Since we don't fetch the object, we don't know the type
} else {
$object_data = [];
- $object_data['id'] = $activity['id'];
+ $object_data['id'] = JsonLD::fetchElement($ldactivity, '@id');
$object_data['object'] = $activity['object'];
- $object_data['object_type'] = JsonLD::fetchElement($activity, 'object', 'type');
+ $object_data['object_type'] = JsonLD::fetchElement($ldactivity, 'as:object', '@type');
}
$object_data = self::addActivityFields($object_data, $activity);
* @param integer $uid User ID
* @param $trust_source
*/
- public static function processActivity($activity, $body = '', $uid = null, $trust_source = false)
+ public static function processActivity($activity, $ldactivity = '', $body = '', $uid = null, $trust_source = false)
{
- if (empty($activity['type'])) {
+ if (empty($ldactivity)) {
+ $ldactivity = JsonLD::compact($activity);
+ }
+
+ $type = JsonLD::fetchElement($ldactivity, '@type');
+ if (!$type) {
logger('Empty type', LOGGER_DEBUG);
return;
}
- if (empty($activity['object'])) {
+ if (!JsonLD::fetchElement($ldactivity, 'as:object')) {
logger('Empty object', LOGGER_DEBUG);
return;
}
- if (empty($activity['actor'])) {
+ if (!JsonLD::fetchElement($ldactivity, 'as:actor')) {
logger('Empty actor', LOGGER_DEBUG);
return;
}
// $trust_source is called by reference and is set to true if the content was retrieved successfully
- $object_data = self::prepareObjectData($activity, $uid, $trust_source);
+ $object_data = self::prepareObjectData($activity, $ldactivity, $uid, $trust_source);
if (empty($object_data)) {
logger('No object data found', LOGGER_DEBUG);
return;
}
if (!$trust_source) {
- logger('No trust for activity type "' . $activity['type'] . '", so we quit now.', LOGGER_DEBUG);
+ logger('No trust for activity type "' . $type . '", so we quit now.', LOGGER_DEBUG);
return;
}
- switch ($activity['type']) {
- case 'Create':
- case 'Announce':
+ switch ($type) {
+ case 'as:Create':
+ case 'as:Announce':
ActivityPub\Processor::createItem($object_data, $body);
break;
- case 'Like':
+ case 'as:Like':
ActivityPub\Processor::likeItem($object_data, $body);
break;
- case 'Dislike':
+ case 'as:Dislike':
ActivityPub\Processor::dislikeItem($object_data, $body);
break;
- case 'Update':
- if (in_array($object_data['object_type'], ActivityPub::CONTENT_TYPES)) {
+ case 'as:Update':
+ if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
/// @todo
- } elseif (in_array($object_data['object_type'], ActivityPub::ACCOUNT_TYPES)) {
+ } elseif (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::updatePerson($object_data, $body);
}
break;
- case 'Delete':
- if ($object_data['object_type'] == 'Tombstone') {
+ case 'as:Delete':
+ if ($object_data['object_type'] == 'as:Tombstone') {
ActivityPub\Processor::deleteItem($object_data, $body);
- } elseif (in_array($object_data['object_type'], ActivityPub::ACCOUNT_TYPES)) {
+ } elseif (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
ActivityPub\Processor::deletePerson($object_data, $body);
}
break;
- case 'Follow':
+ case 'as:Follow':
ActivityPub\Processor::followUser($object_data);
break;
- case 'Accept':
- if ($object_data['object_type'] == 'Follow') {
+ case 'as:Accept':
+ if ($object_data['object_type'] == 'as:Follow') {
ActivityPub\Processor::acceptFollowUser($object_data);
}
break;
- case 'Reject':
- if ($object_data['object_type'] == 'Follow') {
+ case 'as:Reject':
+ if ($object_data['object_type'] == 'as:Follow') {
ActivityPub\Processor::rejectFollowUser($object_data);
}
break;
- case 'Undo':
- if ($object_data['object_type'] == 'Follow') {
+ case 'as:Undo':
+ if ($object_data['object_type'] == 'as:Follow') {
ActivityPub\Processor::undoFollowUser($object_data);
- } elseif (in_array($object_data['object_type'], ActivityPub::ACTIVITY_TYPES)) {
+ } elseif (in_array($object_data['object_type'], self::ACTIVITY_TYPES)) {
ActivityPub\Processor::undoActivity($object_data);
}
break;
default:
- logger('Unknown activity: ' . $activity['type'], LOGGER_DEBUG);
+ logger('Unknown activity: ' . $type, LOGGER_DEBUG);
break;
}
}
/**
- *
+ * Fetch the receiver list from an activity array
*
* @param array $activity
- * @param $actor
+ * @param string $actor
*
- * @return
+ * @return array with receivers (user id)
*/
private static function getReceivers($activity, $actor)
{
$receivers = [];
// When it is an answer, we inherite the receivers from the parent
- $replyto = JsonLD::fetchElement($activity, 'inReplyTo', 'id');
+ $replyto = JsonLD::fetchElement($activity, 'as:inReplyTo');
if (!empty($replyto)) {
$parents = Item::select(['uid'], ['uri' => $replyto]);
while ($parent = Item::fetch($parents)) {
$followers = '';
}
- foreach (['to', 'cc', 'bto', 'bcc'] as $element) {
- if (empty($activity[$element])) {
+ foreach (['as:to', 'as:cc', 'as:bto', 'as:bcc'] as $element) {
+ $receiver_list = JsonLD::fetchElementArray($activity, $element);
+ if (empty($receiver_list)) {
continue;
}
- // The receiver can be an array or a string
- if (is_string($activity[$element])) {
- $activity[$element] = [$activity[$element]];
- }
-
- foreach ($activity[$element] as $receiver) {
- if ($receiver == ActivityPub::PUBLIC_COLLECTION) {
+ foreach ($receiver_list as $receiver) {
+ if ($receiver == self::PUBLIC_COLLECTION) {
$receivers['uid:0'] = 0;
}
- if (($receiver == ActivityPub::PUBLIC_COLLECTION) && !empty($actor)) {
+ if (($receiver == self::PUBLIC_COLLECTION) && !empty($actor)) {
// This will most likely catch all OStatus connections to Mastodon
$condition = ['alias' => [$actor, normalise_link($actor)], 'rel' => [Contact::SHARING, Contact::FRIEND]
, 'archive' => false, 'pending' => false];
DBA::close($contacts);
}
- if (in_array($receiver, [$followers, ActivityPub::PUBLIC_COLLECTION]) && !empty($actor)) {
+ if (in_array($receiver, [$followers, self::PUBLIC_COLLECTION]) && !empty($actor)) {
$condition = ['nurl' => normalise_link($actor), 'rel' => [Contact::SHARING, Contact::FRIEND],
'network' => Protocol::ACTIVITYPUB, 'archive' => false, 'pending' => false];
$contacts = DBA::select('contact', ['uid'], $condition);
* @param $object
* @param $trust_source
*
- * @return
+ * @return array with object data
*/
- private static function fetchObject($object_id, $object = [], $trust_source = false)
+ private static function fetchObject($object_id, $object = [], $ldobject = [], $trust_source = false)
{
if (!$trust_source || is_string($object)) {
$data = ActivityPub::fetchContent($object_id);
logger('Empty content for ' . $object_id . ', check if content is available locally.', LOGGER_DEBUG);
$data = $object_id;
} else {
+ $ldobject = JsonLD::compact($data);
logger('Fetched content for ' . $object_id, LOGGER_DEBUG);
}
} else {
}
logger('Using already stored item for url ' . $object_id, LOGGER_DEBUG);
$data = ActivityPub\Transmitter::createNote($item);
+ $ldobject = JsonLD::compact($data);
}
if (empty($data['type'])) {
}
if (in_array($data['type'], ActivityPub::CONTENT_TYPES)) {
- return self::processObject($data);
+ return self::processObject($ldobject);
}
if ($data['type'] == 'Announce') {
}
/**
- *
+ * Convert tags from JSON-LD format into a simplified format
*
- * @param $object
+ * @param array $tags Tags in JSON-LD format
*
- * @return
+ * @return array with tags in a simplified format
+ */
+ private static function processTags($tags)
+ {
+ $taglist = [];
+ foreach ($tags as $tag) {
+ $taglist[] = ['type' => str_replace('as:', '', JsonLD::fetchElement($tag, '@type')),
+ 'href' => JsonLD::fetchElement($tag, 'as:href'),
+ 'name' => JsonLD::fetchElement($tag, 'as:name')];
+ }
+ return $taglist;
+ }
+
+ /**
+ * Convert attachments from JSON-LD format into a simplified format
+ *
+ * @param array $attachments Attachments in JSON-LD format
+ *
+ * @return array with attachmants in a simplified format
+ */
+ private static function processAttachments($attachments)
+ {
+ $attachlist = [];
+ foreach ($attachments as $attachment) {
+ $attachlist[] = ['type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),
+ 'mediaType' => JsonLD::fetchElement($attachment, 'as:mediaType'),
+ 'name' => JsonLD::fetchElement($attachment, 'as:name'),
+ 'url' => JsonLD::fetchElement($attachment, 'as:url')];
+ }
+ return $attachlist;
+ }
+
+ /**
+ * Fetches data from the object part of an activity
+ *
+ * @param array $object
+ *
+ * @return array
*/
private static function processObject($object)
{
- if (empty($object['id'])) {
+ if (!JsonLD::fetchElement($object, '@id')) {
return false;
}
$object_data = [];
- $object_data['object_type'] = $object['type'];
- $object_data['id'] = $object['id'];
+ $object_data['object_type'] = JsonLD::fetchElement($object, '@type');
+ $object_data['id'] = JsonLD::fetchElement($object, '@id');
- if (!empty($object['inReplyTo'])) {
- $object_data['reply-to-id'] = JsonLD::fetchElement($object, 'inReplyTo', 'id');
- } else {
+ $object_data['reply-to-id'] = JsonLD::fetchElement($object, 'as:inReplyTo');
+
+ if (empty($object_data['reply-to-id'])) {
$object_data['reply-to-id'] = $object_data['id'];
}
- $object_data['published'] = defaults($object, 'published', null);
- $object_data['updated'] = defaults($object, 'updated', $object_data['published']);
+ $object_data['published'] = JsonLD::fetchElement($object, 'as:published', '@value');
+ $object_data['updated'] = JsonLD::fetchElement($object, 'as:updated', '@value');
+
+ if (empty($object_data['updated'])) {
+ $object_data['updated'] = $object_data['published'];
+ }
if (empty($object_data['published']) && !empty($object_data['updated'])) {
$object_data['published'] = $object_data['updated'];
}
- $actor = JsonLD::fetchElement($object, 'attributedTo', 'id');
+ $actor = JsonLD::fetchElement($object, 'as:attributedTo');
if (empty($actor)) {
- $actor = defaults($object, 'actor', null);
+ $actor = JsonLD::fetchElement($object, 'as:actor');
}
- $object_data['diaspora:guid'] = defaults($object, 'diaspora:guid', null);
+ $object_data['diaspora:guid'] = JsonLD::fetchElement($object, 'diaspora:guid');
+ $object_data['diaspora:comment'] = JsonLD::fetchElement($object, 'diaspora:comment');
$object_data['owner'] = $object_data['author'] = $actor;
- $object_data['context'] = defaults($object, 'context', null);
- $object_data['conversation'] = defaults($object, 'conversation', null);
- $object_data['sensitive'] = defaults($object, 'sensitive', null);
- $object_data['name'] = defaults($object, 'title', null);
- $object_data['name'] = defaults($object, 'name', $object_data['name']);
- $object_data['summary'] = defaults($object, 'summary', null);
- $object_data['content'] = defaults($object, 'content', null);
- $object_data['source'] = defaults($object, 'source', null);
- $object_data['location'] = JsonLD::fetchElement($object, 'location', 'name', 'type', 'Place');
- $object_data['attachments'] = defaults($object, 'attachment', null);
- $object_data['tags'] = defaults($object, 'tag', null);
- $object_data['service'] = JsonLD::fetchElement($object, 'instrument', 'name', 'type', 'Service');
- $object_data['alternate-url'] = JsonLD::fetchElement($object, 'url', 'href');
+ $object_data['context'] = JsonLD::fetchElement($object, 'as:context');
+ $object_data['conversation'] = JsonLD::fetchElement($object, 'ostatus:conversation');
+ $object_data['sensitive'] = JsonLD::fetchElement($object, 'as:sensitive');
+ $object_data['name'] = JsonLD::fetchElement($object, 'as:name');
+ $object_data['summary'] = JsonLD::fetchElement($object, 'as:summary');
+ $object_data['content'] = JsonLD::fetchElement($object, 'as:content');
+ $object_data['source'] = JsonLD::fetchElement($object, 'as:source', 'as:content', 'as:mediaType', 'text/bbcode');
+ $object_data['location'] = JsonLD::fetchElement($object, 'as:location', 'as:name', '@type', 'as:Place');
+ $object_data['attachments'] = self::processAttachments(JsonLD::fetchElementArray($object, 'as:attachment'));
+ $object_data['tags'] = self::processTags(JsonLD::fetchElementArray($object, 'as:tag'));
+// $object_data['service'] = JsonLD::fetchElement($object, 'instrument', 'name', 'type', 'Service'); // todo
+ $object_data['service'] = null;
+ $object_data['alternate-url'] = JsonLD::fetchElement($object, 'as:url');
+
+ // Special treatment for Hubzilla links
+ if (is_array($object_data['alternate-url'])) {
+ if (!empty($object['as:url'])) {
+ $object_data['alternate-url'] = JsonLD::fetchElement($object['as:url'], 'as:href');
+ } else {
+ $object_data['alternate-url'] = null;
+ }
+ }
+
$object_data['receiver'] = self::getReceivers($object, $object_data['owner']);
// Common object data:
projects / friendica.git / commitdiff