X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FActivityPub%2FTransmitter.php;h=5136bc72c1b8231aa75b8bb0c6e7a6bed5307c24;hb=3282ce53894b624893ee2989747a59866ab4b137;hp=9f98409c3340f0984ed9b90d2924e1cd032f44ec;hpb=86df6481070c263f9d189ba7d88bcf0e5627cfbe;p=friendica.git diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php index 9f98409c33..5136bc72c1 100644 --- a/src/Protocol/ActivityPub/Transmitter.php +++ b/src/Protocol/ActivityPub/Transmitter.php @@ -6,6 +6,7 @@ namespace Friendica\Protocol\ActivityPub; use Friendica\BaseObject; use Friendica\Database\DBA; +use Friendica\Core\Logger; use Friendica\Core\System; use Friendica\Util\HTTPSignature; use Friendica\Core\Protocol; @@ -26,6 +27,7 @@ use Friendica\Protocol\ActivityPub; use Friendica\Protocol\Diaspora; use Friendica\Core\Cache; use Friendica\Util\Map; +use Friendica\Util\Network; require_once 'include/api.php'; @@ -40,15 +42,16 @@ class Transmitter /** * collects the lost of followers of the given owner * - * @param array $owner Owner array - * @param integer $page Page number + * @param array $owner Owner array + * @param integer $page Page number * * @return array of owners + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getFollowers($owner, $page = null) { $condition = ['rel' => [Contact::FOLLOWER, Contact::FRIEND], 'network' => Protocol::NATIVE_SUPPORT, 'uid' => $owner['uid'], - 'self' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; + 'self' => false, 'deleted' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; $count = DBA::count('contact', $condition); $data = ['@context' => ActivityPub::CONTEXT]; @@ -87,15 +90,16 @@ class Transmitter /** * Create list of following contacts * - * @param array $owner Owner array - * @param integer $page Page numbe + * @param array $owner Owner array + * @param integer $page Page numbe * * @return array of following contacts + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getFollowing($owner, $page = null) { $condition = ['rel' => [Contact::SHARING, Contact::FRIEND], 'network' => Protocol::NATIVE_SUPPORT, 'uid' => $owner['uid'], - 'self' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; + 'self' => false, 'deleted' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; $count = DBA::count('contact', $condition); $data = ['@context' => ActivityPub::CONTEXT]; @@ -134,10 +138,12 @@ class Transmitter /** * Public posts for the given owner * - * @param array $owner Owner array - * @param integer $page Page numbe + * @param array $owner Owner array + * @param integer $page Page numbe * * @return array of posts + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function getOutbox($owner, $page = null) { @@ -184,6 +190,7 @@ class Transmitter * * @param integer $uid User ID * @return array with profile data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getProfile($uid) { @@ -244,6 +251,8 @@ class Transmitter * @param array $item * * @return array with permissions + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ private static function fetchPermissionBlockFromConversation($item) { @@ -282,8 +291,7 @@ class Transmitter foreach ($activity[$element] as $receiver) { if ($receiver == $profile['followers'] && !empty($item_profile['followers'])) { $permissions[$element][] = $item_profile['followers']; - } - if (!in_array($receiver, $exclude)) { + } elseif (!in_array($receiver, $exclude)) { $permissions[$element][] = $receiver; } } @@ -294,13 +302,30 @@ class Transmitter /** * Creates an array of permissions from an item thread * - * @param array $item + * @param array $item * @param boolean $blindcopy + * @param boolean $last_id * * @return array with permission data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ - private static function createPermissionBlockForItem($item, $blindcopy) + private static function createPermissionBlockForItem($item, $blindcopy, $last_id = 0) { + if ($last_id == 0) { + $last_id = $item['id']; + } + + $always_bcc = false; + + // Check if we should always deliver our stuff via BCC + if (!empty($item['uid'])) { + $profile = Profile::getByUID($item['uid']); + if (!empty($profile)) { + $always_bcc = $profile['hide-friends']; + } + } + // Will be activated in a later step // $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS]; @@ -309,13 +334,13 @@ class Transmitter $data = ['to' => [], 'cc' => [], 'bcc' => []]; - $data = array_merge($data, self::fetchPermissionBlockFromConversation($item)); - $actor_profile = APContact::getByURL($item['author-link']); $terms = Term::tagArrayFromItemId($item['id'], TERM_MENTION); if (!$item['private']) { + $data = array_merge($data, self::fetchPermissionBlockFromConversation($item)); + $data['to'][] = ActivityPub::PUBLIC_COLLECTION; if (!empty($actor_profile['followers'])) { $data['cc'][] = $actor_profile['followers']; @@ -343,11 +368,13 @@ class Transmitter } foreach ($receiver_list as $receiver) { - $contact = DBA::selectFirst('contact', ['url'], ['id' => $receiver, 'network' => $networks]); + $contact = DBA::selectFirst('contact', ['url', 'hidden'], ['id' => $receiver, 'network' => $networks]); if (DBA::isResult($contact) && !empty($profile = APContact::getByURL($contact['url'], false))) { - // BCC is currently deactivated, due to Pleroma and Mastodon not reacting like expected - // $data['bcc'][] = $profile['url']; - $data['cc'][] = $profile['url']; + if ($contact['hidden'] || $always_bcc) { + $data['bcc'][] = $profile['url']; + } else { + $data['cc'][] = $profile['url']; + } } } } @@ -355,7 +382,7 @@ class Transmitter $parents = Item::select(['id', 'author-link', 'owner-link', 'gravity', 'uri'], ['parent' => $item['parent']]); while ($parent = Item::fetch($parents)) { // Don't include data from future posts - if ($parent['id'] >= $item['id']) { + if ($parent['id'] >= $last_id) { continue; } @@ -423,10 +450,12 @@ class Transmitter /** * Fetches a list of inboxes of followers of a given user * - * @param integer $uid User ID + * @param integer $uid User ID * @param boolean $personal fetch personal inboxes * * @return array of follower inboxes + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function fetchTargetInboxesforUser($uid, $personal = false) { @@ -446,6 +475,10 @@ class Transmitter $contacts = DBA::select('contact', ['url'], $condition); while ($contact = DBA::fetch($contacts)) { + if (Network::isUrlBlocked($contact['url'])) { + continue; + } + $profile = APContact::getByURL($contact['url'], false); if (!empty($profile)) { if (empty($profile['sharedinbox']) || $personal) { @@ -464,15 +497,18 @@ class Transmitter /** * Fetches an array of inboxes for the given item and user * - * @param array $item - * @param integer $uid User ID + * @param array $item + * @param integer $uid User ID * @param boolean $personal fetch personal inboxes + * @param integer $last_id Last item id for adding receivers * * @return array with inboxes + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ - public static function fetchTargetInboxes($item, $uid, $personal = false) + public static function fetchTargetInboxes($item, $uid, $personal = false, $last_id = 0) { - $permissions = self::createPermissionBlockForItem($item, true); + $permissions = self::createPermissionBlockForItem($item, true, $last_id); if (empty($permissions)) { return []; } @@ -493,6 +529,10 @@ class Transmitter $blindcopy = in_array($element, ['bto', 'bcc']); foreach ($permissions[$element] as $receiver) { + if (Network::isUrlBlocked($receiver)) { + continue; + } + if ($receiver == $item_profile['followers']) { $inboxes = array_merge($inboxes, self::fetchTargetInboxesforUser($uid, $personal)); } else { @@ -518,10 +558,20 @@ class Transmitter * @param array $item * * @return string with activity type + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ private static function getTypeOfItem($item) { - if (!empty(Diaspora::isReshare($item['body'], false))) { + $reshared = false; + + // Only check for a reshare, if it is a real reshare and no quoted reshare + if (strpos($item['body'], "[share") === 0) { + $announce = api_share_as_retweet($item); + $reshared = !empty($announce['plink']); + } + + if ($reshared) { $type = 'Announce'; } elseif ($item['verb'] == ACTIVITY_POST) { if ($item['created'] == $item['edited']) { @@ -550,15 +600,20 @@ class Transmitter * Creates the activity or fetches it from the cache * * @param integer $item_id + * @param boolean $force Force new cache entry * * @return array with the activity + * @throws \Exception */ - public static function createCachedActivityFromItem($item_id) + public static function createCachedActivityFromItem($item_id, $force = false) { $cachekey = 'APDelivery:createActivity:' . $item_id; - $data = Cache::get($cachekey); - if (!is_null($data)) { - return $data; + + if (!$force) { + $data = Cache::get($cachekey); + if (!is_null($data)) { + return $data; + } } $data = ActivityPub\Transmitter::createActivityFromItem($item_id); @@ -574,6 +629,7 @@ class Transmitter * @param boolean $object_mode Is the activity item is used inside another object? * * @return array of activity + * @throws \Exception */ public static function createActivityFromItem($item_id, $object_mode = false) { @@ -624,12 +680,21 @@ class Transmitter $data['object'] = self::createActivityFromItem($item_id, true); } else { $data['diaspora:guid'] = $item['guid']; + if (!empty($item['signed_text'])) { + $data['diaspora:like'] = $item['signed_text']; + } $data['object'] = $item['thr-parent']; } - $owner = User::getOwnerDataById($item['uid']); + if (!empty($item['contact-uid'])) { + $uid = $item['contact-uid']; + } else { + $uid = $item['uid']; + } - if (!$object_mode) { + $owner = User::getOwnerDataById($uid); + + if (!$object_mode && !empty($owner)) { return LDSignature::sign($data, $owner); } else { return $data; @@ -644,6 +709,8 @@ class Transmitter * @param integer $item_id * * @return array with the object data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function createObjectFromItemID($item_id) { @@ -699,6 +766,7 @@ class Transmitter * @param array $item * * @return array of tags + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ private static function createTagList($item) { @@ -707,7 +775,8 @@ class Transmitter $terms = Term::tagArrayFromItemId($item['id']); foreach ($terms as $term) { if ($term['type'] == TERM_HASHTAG) { - $tags[] = ['type' => 'Hashtag', 'href' => $term['url'], 'name' => '#' . $term['term']]; + $url = System::baseUrl() . '/search?tag=' . urlencode($term['term']); + $tags[] = ['type' => 'Hashtag', 'href' => $url, 'name' => '#' . $term['term']]; } elseif ($term['type'] == TERM_MENTION) { $contact = Contact::getDetailsByURL($term['url']); if (!empty($contact['addr'])) { @@ -725,10 +794,11 @@ class Transmitter /** * Adds attachment data to the JSON document * - * @param array $item Data of the item that is to be posted - * @param text $type Object type + * @param array $item Data of the item that is to be posted + * @param string $type Object type * * @return array with attachment data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ private static function createAttachmentList($item, $type) { @@ -777,11 +847,12 @@ class Transmitter return $attachments; } - /** + /** * @brief Callback function to replace a Friendica style mention in a mention that is used on AP * * @param array $match Matching values for the callback * @return string Replaced mention + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ private static function mentionCallback($match) { @@ -821,6 +892,7 @@ class Transmitter * @param array $item * * @return string with context url + * @throws \Exception */ private static function fetchContextURLForItem($item) { @@ -841,6 +913,7 @@ class Transmitter * @param integer $item_id * * @return boolean + * @throws \Exception */ private static function isSensitive($item_id) { @@ -854,6 +927,7 @@ class Transmitter * @param array $item * * @return array with the event data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function createEvent($item) { @@ -880,6 +954,8 @@ class Transmitter * @param array $item * * @return array with the object data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function createNote($item) { @@ -970,6 +1046,8 @@ class Transmitter * @param array $item * * @return string with announced object url + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function createAnnounce($item) { @@ -978,26 +1056,55 @@ class Transmitter return self::createNote($item); } - return $announce['plink']; + // Fetch the original id of the object + $activity = ActivityPub::fetchContent($announce['plink'], $item['uid']); + if (!empty($activity)) { + $ldactivity = JsonLD::compact($activity); + $id = JsonLD::fetchElement($ldactivity, '@id'); + if (!empty($id)) { + return $id; + } + } + + return self::createNote($item); + } + + /** + * Creates an activity id for a given contact id + * + * @param integer $cid Contact ID of target + * + * @return bool|string activity id + */ + public static function activityIDFromContact($cid) + { + $contact = DBA::selectFirst('contact', ['uid', 'id', 'created'], ['id' => $cid]); + if (!DBA::isResult($contact)) { + return false; + } + + $hash = hash('ripemd128', $contact['uid'].'-'.$contact['id'].'-'.$contact['created']); + $uuid = substr($hash, 0, 8). '-' . substr($hash, 8, 4) . '-' . substr($hash, 12, 4) . '-' . substr($hash, 16, 4) . '-' . substr($hash, 20, 12); + return System::baseUrl() . '/activity/' . $uuid; } /** * Transmits a contact suggestion to a given inbox * - * @param integer $uid User ID - * @param string $inbox Target inbox + * @param integer $uid User ID + * @param string $inbox Target inbox * @param integer $suggestion_id Suggestion ID * * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function sendContactSuggestion($uid, $inbox, $suggestion_id) { $owner = User::getOwnerDataById($uid); - $profile = APContact::getByURL($owner['url']); $suggestion = DBA::selectFirst('fsuggest', ['url', 'note', 'created'], ['id' => $suggestion_id]); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Announce', 'actor' => $owner['url'], @@ -1009,24 +1116,53 @@ class Transmitter $signed = LDSignature::sign($data, $owner); - logger('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG); + Logger::log('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); + return HTTPSignature::transmit($signed, $inbox, $uid); + } + + /** + * Transmits a profile relocation to a given inbox + * + * @param integer $uid User ID + * @param string $inbox Target inbox + * + * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + */ + public static function sendProfileRelocation($uid, $inbox) + { + $owner = User::getOwnerDataById($uid); + + $data = ['@context' => ActivityPub::CONTEXT, + 'id' => System::baseUrl() . '/activity/' . System::createGUID(), + 'type' => 'dfrn:relocate', + 'actor' => $owner['url'], + 'object' => $owner['url'], + 'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM), + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [ActivityPub::PUBLIC_COLLECTION], + 'cc' => []]; + + $signed = LDSignature::sign($data, $owner); + + Logger::log('Deliver profile relocation for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); return HTTPSignature::transmit($signed, $inbox, $uid); } /** * Transmits a profile deletion to a given inbox * - * @param integer $uid User ID - * @param string $inbox Target inbox + * @param integer $uid User ID + * @param string $inbox Target inbox * * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function sendProfileDeletion($uid, $inbox) { $owner = User::getOwnerDataById($uid); - $profile = APContact::getByURL($owner['url']); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Delete', 'actor' => $owner['url'], @@ -1038,24 +1174,26 @@ class Transmitter $signed = LDSignature::sign($data, $owner); - logger('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG); + Logger::log('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); return HTTPSignature::transmit($signed, $inbox, $uid); } /** * Transmits a profile change to a given inbox * - * @param integer $uid User ID - * @param string $inbox Target inbox + * @param integer $uid User ID + * @param string $inbox Target inbox * * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function sendProfileUpdate($uid, $inbox) { $owner = User::getOwnerDataById($uid); $profile = APContact::getByURL($owner['url']); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Update', 'actor' => $owner['url'], @@ -1067,32 +1205,39 @@ class Transmitter $signed = LDSignature::sign($data, $owner); - logger('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG); + Logger::log('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); return HTTPSignature::transmit($signed, $inbox, $uid); } /** * Transmits a given activity to a target * - * @param array $activity - * @param string $target Target profile - * @param integer $uid User ID + * @param array $activity + * @param string $target Target profile + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + * @throws \Exception */ - public static function sendActivity($activity, $target, $uid) + public static function sendActivity($activity, $target, $uid, $id = '') { $profile = APContact::getByURL($target); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', - 'id' => System::baseUrl() . '/activity/' . System::createGUID(), + if (empty($id)) { + $id = System::baseUrl() . '/activity/' . System::createGUID(); + } + + $data = ['@context' => ActivityPub::CONTEXT, + 'id' => $id, 'type' => $activity, 'actor' => $owner['url'], 'object' => $profile['url'], 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], - 'to' => $profile['url']]; + 'to' => [$profile['url']]]; - logger('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, LOGGER_DEBUG); + Logger::log('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid); @@ -1101,16 +1246,18 @@ class Transmitter /** * Transmit a message that the contact request had been accepted * - * @param string $target Target profile - * @param $id - * @param integer $uid User ID + * @param string $target Target profile + * @param $id + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function sendContactAccept($target, $id, $uid) { $profile = APContact::getByURL($target); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Accept', 'actor' => $owner['url'], @@ -1118,9 +1265,9 @@ class Transmitter 'actor' => $profile['url'], 'object' => $owner['url']], 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], - 'to' => $profile['url']]; + 'to' => [$profile['url']]]; - logger('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG); + Logger::log('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid); @@ -1129,16 +1276,18 @@ class Transmitter /** * Reject a contact request or terminates the contact relation * - * @param string $target Target profile - * @param $id - * @param integer $uid User ID + * @param string $target Target profile + * @param $id + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function sendContactReject($target, $id, $uid) { $profile = APContact::getByURL($target); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Reject', 'actor' => $owner['url'], @@ -1146,9 +1295,9 @@ class Transmitter 'actor' => $profile['url'], 'object' => $owner['url']], 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], - 'to' => $profile['url']]; + 'to' => [$profile['url']]]; - logger('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG); + Logger::log('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid); @@ -1157,27 +1306,35 @@ class Transmitter /** * Transmits a message that we don't want to follow this contact anymore * - * @param string $target Target profile - * @param integer $uid User ID + * @param string $target Target profile + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + * @throws \Exception */ - public static function sendContactUndo($target, $uid) + public static function sendContactUndo($target, $cid, $uid) { $profile = APContact::getByURL($target); + $object_id = self::activityIDFromContact($cid); + if (empty($object_id)) { + return; + } + $id = System::baseUrl() . '/activity/' . System::createGUID(); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => $id, 'type' => 'Undo', 'actor' => $owner['url'], - 'object' => ['id' => $id, 'type' => 'Follow', + 'object' => ['id' => $object_id, 'type' => 'Follow', 'actor' => $owner['url'], 'object' => $profile['url']], 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], - 'to' => $profile['url']]; + 'to' => [$profile['url']]]; - logger('Sending undo to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG); + Logger::log('Sending undo to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid);