*
* Digest: https://tools.ietf.org/html/rfc5843
* https://tools.ietf.org/html/draft-cavage-http-signatures-10#ref-15
+ *
+ * Part of the code for HTTP signing is taken from the Osada project.
+ *
+ *
+ * To-do:
+ *
+ * Receiver:
+ * - Activities: Undo, Update
+ * - Object Types: Person, Tombstome
+ *
+ * Transmitter:
+ * - Activities: Like, Dislike, Update, Undo
+ * - Object Tyoes: Article, Announce, Person, Tombstone
+ *
+ * General:
+ * - Message distribution
+ * - Endpoints: Outbox, Object, Follower, Following
*/
class ActivityPub
{
Network::post($target, $content, $headers);
$return_code = BaseObject::getApp()->get_curl_code();
- echo $return_code."\n";
+ logger('Transmit to ' . $target . ' returned ' . $return_code);
}
/**
$owner = User::getOwnerDataById($uid);
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
- 'id' => 'https://pirati.ca/' . strtolower($activity) . '/' . System::createGUID(),
+ 'id' => 'https://pirati.ca/activity/' . System::createGUID(),
'type' => $activity,
'actor' => $owner['url'],
'object' => $profile['url']];
+ logger('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, LOGGER_DEBUG);
+ return self::transmit($data, $profile['notify'], $uid);
+ }
+
+ public static function transmitContactActivity($activity, $target, $id, $uid)
+ {
+ $profile = Probe::uri($target, Protocol::ACTIVITYPUB);
+
+ if (empty($id)) {
+ $id = 'https://pirati.ca/activity/' . System::createGUID();
+ }
+
+ $owner = User::getOwnerDataById($uid);
+ $data = ['@context' => 'https://www.w3.org/ns/activitystreams',
+ 'id' => 'https://pirati.ca/activity/' . System::createGUID(),
+ 'type' => $activity,
+ 'actor' => $owner['url'],
+ 'object' => ['id' => $id, 'type' => 'Follow',
+ 'actor' => $owner['url'],
+ 'object' => $profile['url']]];
+
+ logger('Sending ' . $activity . ' to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG);
return self::transmit($data, $profile['notify'], $uid);
}
return $profile;
}
- public static function processInbox($body, $header)
+ public static function processInbox($body, $header, $uid)
{
- logger('Incoming message', LOGGER_DEBUG);
+ logger('Incoming message for user ' . $uid, LOGGER_DEBUG);
if (!self::verifySignature($body, $header)) {
logger('Invalid signature, message will be discarded.', LOGGER_DEBUG);
return;
}
- self::processActivity($activity, $body);
+ self::processActivity($activity, $body, $uid);
}
public static function fetchOutbox($url)
}
}
- function processActivity($activity, $body = '')
+ function processActivity($activity, $body = '', $uid = null)
{
if (empty($activity['type'])) {
logger('Empty type', LOGGER_DEBUG);
unset($activity['location']);
unset($activity['signature']);
*/
+ // Fetch all receivers from to, cc, bto and bcc
+ $receivers = self::getReceivers($activity);
- if (!in_array($activity['type'], ['Like', 'Dislike'])) {
- $receivers = self::getReceivers($activity);
- if (empty($receivers)) {
- logger('No receivers found', LOGGER_DEBUG);
- return;
- }
+ // When it is a delivery to a personal inbox we add that user to the receivers
+ if (!empty($uid)) {
+ $owner = User::getOwnerDataById($uid);
+ $additional = [$owner['url'] => $uid];
+ $receivers = array_merge($receivers, $additional);
+ }
+
+ logger('Receivers: ' . json_encode($receivers), LOGGER_DEBUG);
+
+ logger('Processing activity: ' . $activity['type'], LOGGER_DEBUG);
+ // Fetch the content only on activities where this matters
+ if (in_array($activity['type'], ['Create', 'Update', 'Announce'])) {
$item = self::fetchObject($object_url, $activity['object']);
if (empty($item)) {
logger("Object data couldn't be processed", LOGGER_DEBUG);
return;
}
} else {
- $receivers = [];
- $item['object'] = $object_url;
+ if (in_array($activity['type'], ['Accept'])) {
+ $item['object'] = self::processElement($activity, 'object', 'actor', 'type', 'Follow');
+ } elseif (in_array($activity['type'], ['Undo'])) {
+ $item['object'] = self::processElement($activity, 'object', 'object', 'type', 'Follow');
+ } else {
+ $item['object'] = $object_url;
+ }
+ $item['id'] = $activity['id'];
$item['receiver'] = [];
$item['type'] = $activity['type'];
}
$item['receiver'] = array_merge($item['receiver'], $receivers);
- logger('Processing activity: ' . $activity['type'], LOGGER_DEBUG);
-
switch ($activity['type']) {
case 'Create':
case 'Update':
break;
case 'Like':
+ self::likeItem($item, $body);
+ break;
+
case 'Dislike':
- self::activityItem($item, $body);
+ break;
+
+ case 'Delete':
break;
case 'Follow':
+ self::followUser($item);
+ break;
+
+ case 'Accept':
+ self::acceptFollowUser($item);
+ break;
+
+ case 'Undo':
+ self::undoFollowUser($item);
break;
default:
private static function createItem($activity, $body)
{
- /// @todo What to do with $activity['context']?
+ $item = [];
+ $item['verb'] = ACTIVITY_POST;
+ $item['parent-uri'] = $activity['reply-to-uri'];
+ if ($activity['reply-to-uri'] == $activity['uri']) {
+ $item['gravity'] = GRAVITY_PARENT;
+ $item['object-type'] = ACTIVITY_OBJ_NOTE;
+ } else {
+ $item['gravity'] = GRAVITY_COMMENT;
+ $item['object-type'] = ACTIVITY_OBJ_COMMENT;
+ }
+
+ self::postItem($activity, $item, $body);
+ }
+
+ private static function likeItem($activity, $body)
+ {
$item = [];
+ $item['verb'] = ACTIVITY_LIKE;
+ $item['parent-uri'] = $activity['object'];
+ $item['gravity'] = GRAVITY_ACTIVITY;
+ $item['object-type'] = ACTIVITY_OBJ_NOTE;
+
+ self::postItem($activity, $item, $body);
+ }
+
+ private static function postItem($activity, $item, $body)
+ {
+ /// @todo What to do with $activity['context']?
+
$item['network'] = Protocol::ACTIVITYPUB;
$item['private'] = !in_array(0, $activity['receiver']);
$item['author-id'] = Contact::getIdForURL($activity['author'], 0, true);
$item['owner-id'] = Contact::getIdForURL($activity['owner'], 0, true);
$item['uri'] = $activity['uri'];
- $item['parent-uri'] = $activity['reply-to-uri'];
- $item['verb'] = ACTIVITY_POST;
- $item['object-type'] = ACTIVITY_OBJ_NOTE; /// Todo?
$item['created'] = $activity['published'];
$item['edited'] = $activity['updated'];
$item['guid'] = $activity['uuid'];
}
}
- private static function activityItem($data)
+ private static function followUser($activity)
+ {
+ if (empty($activity['receiver'][$activity['object']])) {
+ return;
+ }
+
+ $uid = $activity['receiver'][$activity['object']];
+ $owner = User::getOwnerDataById($uid);
+
+ $cid = Contact::getIdForURL($activity['owner'], $uid);
+ if (!empty($cid)) {
+ $contact = DBA::selectFirst('contact', [], ['id' => $cid]);
+ } else {
+ $contact = false;
+ }
+
+ $item = ['author-id' => Contact::getIdForURL($activity['owner'])];
+
+ Contact::addRelationship($owner, $contact, $item);
+
+ $cid = Contact::getIdForURL($activity['owner'], $uid);
+ if (empty($cid)) {
+ return;
+ }
+
+ $contact = DBA::selectFirst('contact', ['network'], ['id' => $cid]);
+ if ($contact['network'] != Protocol::ACTIVITYPUB) {
+ Contact::updateFromProbe($cid, Protocol::ACTIVITYPUB);
+ }
+
+ DBA::update('contact', ['hub-verify' => $activity['id']], ['id' => $cid]);
+ logger('Follow user ' . $uid . ' from contact ' . $cid . ' with id ' . $activity['id']);
+ }
+
+ private static function acceptFollowUser($activity)
{
- logger('Activity "' . $data['type'] . '" for ' . $data['object']);
- $items = Item::select(['id'], ['uri' => $data['object']]);
- while ($item = Item::fetch($items)) {
- logger('Activity ' . $data['type'] . ' for item ' . $item['id'], LOGGER_DEBUG);
- Item::performLike($item['id'], strtolower($data['type']));
+ if (empty($activity['receiver'][$activity['object']])) {
+ return;
+ }
+
+ $uid = $activity['receiver'][$activity['object']];
+ $owner = User::getOwnerDataById($uid);
+
+ $cid = Contact::getIdForURL($activity['owner'], $uid);
+ if (empty($cid)) {
+ logger('No contact found for ' . $activity['owner'], LOGGER_DEBUG);
+ return;
}
- DBA::close($item);
- logger('Activity done', LOGGER_DEBUG);
+
+ $fields = ['pending' => false];
+ $condition = ['id' => $cid, 'pending' => true];
+ DBA::update('comtact', $fields, $condition);
+ logger('Accept contact request from contact ' . $cid . ' for user ' . $uid, LOGGER_DEBUG);
}
+ private static function undoFollowUser($activity)
+ {
+ if (empty($activity['receiver'][$activity['object']])) {
+ return;
+ }
+
+ $uid = $activity['receiver'][$activity['object']];
+ $owner = User::getOwnerDataById($uid);
+
+ $cid = Contact::getIdForURL($activity['owner'], $uid);
+ if (empty($cid)) {
+ logger('No contact found for ' . $activity['owner'], LOGGER_DEBUG);
+ return;
+ }
+
+ $contact = DBA::selectFirst('contact', [], ['id' => $cid]);
+ if (!DBA::isResult($contact)) {
+ return;
+ }
+
+ Contact::removeFollower($owner, $contact);
+ logger('Undo following request from contact ' . $cid . ' for user ' . $uid, LOGGER_DEBUG);
+ }
}
projects / friendica.git / blobdiff