namespace Friendica\Protocol\ActivityPub;
+use Friendica\Content\Text\BBCode;
use Friendica\Database\DBA;
use Friendica\Content\Text\HTML;
use Friendica\Content\Text\Markdown;
use Friendica\Model\User;
use Friendica\Protocol\Activity;
use Friendica\Protocol\ActivityPub;
-use Friendica\Util\DateTimeFormat;
use Friendica\Util\HTTPSignature;
use Friendica\Util\JsonLD;
use Friendica\Util\LDSignature;
{
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', 'as:Event'];
+ const CONTENT_TYPES = ['as:Note', 'as:Article', 'as:Video', 'as:Image', 'as:Event', 'as:Audio'];
const ACTIVITY_TYPES = ['as:Like', 'as:Dislike', 'as:Accept', 'as:Reject', 'as:TentativeAccept'];
+ const TARGET_UNKNOWN = 0;
+ const TARGET_TO = 1;
+ const TARGET_CC = 2;
+ const TARGET_BTO = 3;
+ const TARGET_BCC = 4;
+ const TARGET_FOLLOWER = 5;
+ const TARGET_ANSWER = 6;
+ const TARGET_GLOBAL = 7;
+
/**
* Checks if the web request is done for the AP protocol
*
*/
public static function processInbox($body, $header, $uid)
{
- $http_signer = HTTPSignature::getSigner($body, $header);
- if (empty($http_signer)) {
- Logger::warning('Invalid HTTP signature, message will be discarded.');
- return;
- } else {
- Logger::info('Valid HTTP signature', ['signer' => $http_signer]);
- }
-
$activity = json_decode($body, true);
-
if (empty($activity)) {
Logger::warning('Invalid body.');
return;
$actor = JsonLD::fetchElement($ldactivity, 'as:actor', '@id');
+ $apcontact = APContact::getByURL($actor);
+ if (!empty($apcontact) && ($apcontact['type'] == 'Application') && ($apcontact['nick'] == 'relay')) {
+ self::processRelayPost($ldactivity);
+ return;
+ }
+
+ $http_signer = HTTPSignature::getSigner($body, $header);
+ if (empty($http_signer)) {
+ Logger::warning('Invalid HTTP signature, message will be discarded.');
+ return;
+ } else {
+ Logger::info('Valid HTTP signature', ['signer' => $http_signer]);
+ }
+
+ $signer = [$http_signer];
+
Logger::info('Message for user ' . $uid . ' is from actor ' . $actor);
if (LDSignature::isSigned($activity)) {
$ld_signer = LDSignature::getSigner($activity);
if (empty($ld_signer)) {
Logger::log('Invalid JSON-LD signature from ' . $actor, Logger::DEBUG);
+ } elseif ($ld_signer != $http_signer) {
+ $signer[] = $ld_signer;
}
if (!empty($ld_signer && ($actor == $http_signer))) {
Logger::log('The HTTP and the JSON-LD signature belong to ' . $ld_signer, Logger::DEBUG);
$trust_source = false;
}
- self::processActivity($ldactivity, $body, $uid, $trust_source, true);
+ self::processActivity($ldactivity, $body, $uid, $trust_source, true, $signer);
+ }
+
+ /**
+ * Process incoming posts from relays
+ *
+ * @param array $activity
+ * @return void
+ */
+ private static function processRelayPost(array $activity)
+ {
+ $type = JsonLD::fetchElement($activity, '@type');
+ if (!$type) {
+ Logger::info('Empty type', ['activity' => $activity]);
+ return;
+ }
+
+ if ($type != 'as:Announce') {
+ Logger::info('Not an announcement', ['activity' => $activity]);
+ return;
+ }
+
+ $object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
+ if (empty($object_id)) {
+ Logger::info('No object id found', ['activity' => $activity]);
+ return;
+ }
+
+ Logger::info('Got relayed message id', ['id' => $object_id]);
+
+ $item_id = Item::searchByLink($object_id);
+ if ($item_id) {
+ Logger::info('Relayed message already exists', ['id' => $object_id, 'item' => $item_id]);
+ return;
+ }
+
+ Processor::fetchMissingActivity($object_id);
+
+ $item_id = Item::searchByLink($object_id);
+ if ($item_id) {
+ Logger::info('Relayed message had been fetched and stored', ['id' => $object_id, 'item' => $item_id]);
+ } else {
+ Logger::notice('Relayed message had not been stored', ['id' => $object_id]);
+ }
}
/**
/**
* Prepare the object array
*
- * @param array $activity
- * @param integer $uid User ID
- * @param $trust_source
+ * @param array $activity Array with activity data
+ * @param integer $uid User ID
+ * @param boolean $push Message had been pushed to our system
+ * @param boolean $trust_source Do we trust the source?
*
* @return array with object data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- private static function prepareObjectData($activity, $uid, $push, &$trust_source)
+ public static function prepareObjectData($activity, $uid, $push, &$trust_source)
{
+ $id = JsonLD::fetchElement($activity, '@id');
+ if (!empty($id) && !$trust_source) {
+ $fetched_activity = ActivityPub::fetchContent($id, $uid ?? 0);
+ if (!empty($fetched_activity)) {
+ $object = JsonLD::compact($fetched_activity);
+ $fetched_id = JsonLD::fetchElement($object, '@id');
+ if ($fetched_id == $id) {
+ Logger::info('Activity had been fetched successfully', ['id' => $id]);
+ $trust_source = true;
+ $activity = $object;
+ } else {
+ Logger::info('Activity id is not equal', ['id' => $id, 'fetched' => $fetched_id]);
+ }
+ } else {
+ Logger::info('Activity could not been fetched', ['id' => $id]);
+ }
+ }
+
$actor = JsonLD::fetchElement($activity, 'as:actor', '@id');
if (empty($actor)) {
- Logger::log('Empty actor', Logger::DEBUG);
+ Logger::info('Empty actor', ['activity' => $activity]);
return [];
}
$type = JsonLD::fetchElement($activity, '@type');
// Fetch all receivers from to, cc, bto and bcc
- $receivers = self::getReceivers($activity, $actor);
+ $receiverdata = self::getReceivers($activity, $actor);
+ $receivers = $reception_types = [];
+ foreach ($receiverdata as $key => $data) {
+ $receivers[$key] = $data['uid'];
+ $reception_types[$data['uid']] = $data['type'] ?? 0;
+ }
// When it is a delivery to a personal inbox we add that user to the receivers
if (!empty($uid)) {
$additional = ['uid:' . $uid => $uid];
$receivers = array_merge($receivers, $additional);
+ if (empty($reception_types[$uid]) || in_array($reception_types[$uid], [self::TARGET_UNKNOWN, self::TARGET_FOLLOWER, self::TARGET_ANSWER, self::TARGET_GLOBAL])) {
+ $reception_types[$uid] = self::TARGET_BCC;
+ }
} else {
// We possibly need some user to fetch private content,
// so we fetch the first out ot the list.
$uid = self::getFirstUserFromReceivers($receivers);
}
- Logger::log('Receivers: ' . $uid . ' - ' . json_encode($receivers), Logger::DEBUG);
-
$object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
if (empty($object_id)) {
Logger::log('No object found', Logger::DEBUG);
// Fetch the content only on activities where this matters
if (in_array($type, ['as:Create', 'as:Update', 'as:Announce'])) {
- if ($type == 'as:Announce') {
- $trust_source = false;
- $push = false;
- }
- $object_data = self::fetchObject($object_id, $activity['as:object'], $trust_source, $uid);
+ // Always fetch on "Announce"
+ $object_data = self::fetchObject($object_id, $activity['as:object'], $trust_source && ($type != 'as:Announce'), $uid);
if (empty($object_data)) {
Logger::log("Object data couldn't be processed", Logger::DEBUG);
return [];
}
$object_data['object_id'] = $object_id;
- $object_data['push'] = $push;
+
+ if ($type == 'as:Announce') {
+ $object_data['push'] = false;
+ } else {
+ $object_data['push'] = $push;
+ }
// Test if it is an answer to a mail
if (DBA::exists('mail', ['uri' => $object_data['reply-to-id']])) {
} else {
$object_data['directmessage'] = JsonLD::fetchElement($activity, 'litepub:directMessage');
}
-
- // We had been able to retrieve the object data - so we can trust the source
- $trust_source = true;
} elseif (in_array($type, array_merge(self::ACTIVITY_TYPES, ['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 ech individual array element.
$object_data['object_type'] = JsonLD::fetchElement($activity['as:object'], '@type');
// An Undo is done on the object of an object, so we need that type as well
- if ($type == 'as:Undo') {
+ if (($type == 'as:Undo') && !empty($object_data['object_object'])) {
$object_data['object_object_type'] = self::fetchObjectType([], $object_data['object_object'], $uid);
}
}
$object_data['actor'] = $actor;
$object_data['item_receiver'] = $receivers;
$object_data['receiver'] = array_merge($object_data['receiver'] ?? [], $receivers);
+ $object_data['reception_type'] = array_merge($object_data['reception_type'] ?? [], $reception_types);
+
+ $author = $object_data['author'] ?? $actor;
+ if (!empty($author) && !empty($object_data['id'])) {
+ $author_host = parse_url($author, PHP_URL_HOST);
+ $id_host = parse_url($object_data['id'], PHP_URL_HOST);
+ if ($author_host == $id_host) {
+ Logger::info('Valid hosts', ['type' => $type, 'host' => $id_host]);
+ } else {
+ Logger::notice('Differing hosts on author and id', ['type' => $type, 'author' => $author_host, 'id' => $id_host]);
+ $trust_source = false;
+ }
+ }
Logger::log('Processing ' . $object_data['type'] . ' ' . $object_data['object_type'] . ' ' . $object_data['id'], Logger::DEBUG);
* @param string $body
* @param integer $uid User ID
* @param boolean $trust_source Do we trust the source?
+ * @param boolean $push Message had been pushed to our system
* @throws \Exception
*/
- public static function processActivity($activity, $body = '', $uid = null, $trust_source = false, $push = false)
+ public static function processActivity($activity, string $body = '', int $uid = null, bool $trust_source = false, bool $push = false, array $signer = [])
{
$type = JsonLD::fetchElement($activity, '@type');
if (!$type) {
- Logger::log('Empty type', Logger::DEBUG);
+ Logger::info('Empty type', ['activity' => $activity]);
return;
}
if (!JsonLD::fetchElement($activity, 'as:object', '@id')) {
- Logger::log('Empty object', Logger::DEBUG);
+ Logger::info('Empty object', ['activity' => $activity]);
return;
}
- if (!JsonLD::fetchElement($activity, 'as:actor', '@id')) {
- Logger::log('Empty actor', Logger::DEBUG);
+ $actor = JsonLD::fetchElement($activity, 'as:actor', '@id');
+ if (empty($actor)) {
+ Logger::info('Empty actor', ['activity' => $activity]);
return;
-
}
- // Don't trust the source if "actor" differs from "attributedTo". The content could be forged.
- if ($trust_source && ($type == 'as:Create') && is_array($activity['as:object'])) {
- $actor = JsonLD::fetchElement($activity, 'as:actor', '@id');
+ if (is_array($activity['as:object'])) {
$attributed_to = JsonLD::fetchElement($activity['as:object'], 'as:attributedTo', '@id');
- $trust_source = ($actor == $attributed_to);
- if (!$trust_source) {
- Logger::log('Not trusting actor: ' . $actor . '. It differs from attributedTo: ' . $attributed_to, Logger::DEBUG);
+ } else {
+ $attributed_to = '';
+ }
+
+ // Test the provided signatures against the actor and "attributedTo"
+ if ($trust_source) {
+ if (!empty($attributed_to) && !empty($actor)) {
+ $trust_source = (in_array($actor, $signer) && in_array($attributed_to, $signer));
+ } else {
+ $trust_source = in_array($actor, $signer);
}
}
// $trust_source is called by reference and is set to true if the content was retrieved successfully
$object_data = self::prepareObjectData($activity, $uid, $push, $trust_source);
if (empty($object_data)) {
- Logger::log('No object data found', Logger::DEBUG);
+ Logger::info('No object data found', ['activity' => $activity]);
return;
}
if (!$trust_source) {
- Logger::log('No trust for activity type "' . $type . '", so we quit now.', Logger::DEBUG);
+ Logger::info('Activity trust could not be achieved.', ['id' => $object_data['object_id'], 'type' => $type, 'signer' => $signer, 'actor' => $actor, 'attributedTo' => $attributed_to]);
return;
}
- if (!empty($body)) {
+ if (!empty($body) && empty($object_data['raw'])) {
$object_data['raw'] = $body;
}
switch ($type) {
case 'as:Create':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::createItem($object_data);
+ $item = ActivityPub\Processor::createItem($object_data);
+ ActivityPub\Processor::postItem($object_data, $item);
}
break;
case 'as:Announce':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- $profile = APContact::getByURL($object_data['actor']);
- // Reshared posts from persons appear as summary at the bottom
- // If this isn't set, then a single reshare appears on top. This is used for groups.
- $object_data['thread-completion'] = ($profile['type'] != 'Group');
-
- ActivityPub\Processor::createItem($object_data);
-
- // Add the bottom reshare information only for persons
- if ($profile['type'] != 'Group') {
- $announce_object_data = self::processObject($activity);
- $announce_object_data['name'] = $type;
- $announce_object_data['author'] = JsonLD::fetchElement($activity, 'as:actor', '@id');
- $announce_object_data['object_id'] = $object_data['object_id'];
- $announce_object_data['object_type'] = $object_data['object_type'];
-
- ActivityPub\Processor::createActivity($announce_object_data, Activity::ANNOUNCE);
+ $object_data['thread-completion'] = true;
+
+ $item = ActivityPub\Processor::createItem($object_data);
+ if (empty($item)) {
+ return;
+ }
+
+ $item['post-type'] = Item::PT_ANNOUNCEMENT;
+ ActivityPub\Processor::postItem($object_data, $item);
+
+ $announce_object_data = self::processObject($activity);
+ $announce_object_data['name'] = $type;
+ $announce_object_data['author'] = JsonLD::fetchElement($activity, 'as:actor', '@id');
+ $announce_object_data['object_id'] = $object_data['object_id'];
+ $announce_object_data['object_type'] = $object_data['object_type'];
+ $announce_object_data['push'] = $push;
+
+ if (!empty($body)) {
+ $announce_object_data['raw'] = $body;
}
+
+ ActivityPub\Processor::createActivity($announce_object_data, Activity::ANNOUNCE);
}
break;
*/
private static function getReceivers($activity, $actor, $tags = [], $fetch_unlisted = false)
{
- $receivers = [];
+ $reply = $receivers = [];
// When it is an answer, we inherite the receivers from the parent
$replyto = JsonLD::fetchElement($activity, 'as:inReplyTo', '@id');
if (!empty($replyto)) {
+ $reply = [$replyto];
+
// Fix possibly wrong item URI (could be an answer to a plink uri)
$fixedReplyTo = Item::getURIByLink($replyto);
- $replyto = $fixedReplyTo ?: $replyto;
+ if (!empty($fixedReplyTo)) {
+ $reply[] = $fixedReplyTo;
+ }
+ }
- $parents = Item::select(['uid'], ['uri' => $replyto]);
+ // Fetch all posts that refer to the object id
+ $object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
+ if (!empty($object_id)) {
+ $reply[] = $object_id;
+ }
+
+ if (!empty($reply)) {
+ $parents = Item::select(['uid'], ['uri' => $reply]);
while ($parent = Item::fetch($parents)) {
- $receivers['uid:' . $parent['uid']] = $parent['uid'];
+ $receivers['uid:' . $parent['uid']] = ['uid' => $parent['uid'], 'type' => self::TARGET_ANSWER];
}
}
Logger::log('Actor: ' . $actor . ' - Followers: ' . $followers, Logger::DEBUG);
} else {
- Logger::log('Empty actor', Logger::DEBUG);
+ Logger::info('Empty actor', ['activity' => $activity]);
$followers = '';
}
foreach ($receiver_list as $receiver) {
if ($receiver == self::PUBLIC_COLLECTION) {
- $receivers['uid:0'] = 0;
+ $receivers['uid:0'] = ['uid' => 0, 'type' => self::TARGET_GLOBAL];
}
// Add receiver "-1" for unlisted posts
if ($fetch_unlisted && ($receiver == self::PUBLIC_COLLECTION) && ($element == 'as:cc')) {
- $receivers['uid:-1'] = -1;
- }
-
- if (($receiver == self::PUBLIC_COLLECTION) && !empty($actor)) {
- // This will most likely catch all OStatus connections to Mastodon
- $condition = ['alias' => [$actor, Strings::normaliseLink($actor)], 'rel' => [Contact::SHARING, Contact::FRIEND]
- , 'archive' => false, 'pending' => false];
- $contacts = DBA::select('contact', ['uid'], $condition);
- while ($contact = DBA::fetch($contacts)) {
- if ($contact['uid'] != 0) {
- $receivers['uid:' . $contact['uid']] = $contact['uid'];
- }
- }
- DBA::close($contacts);
+ $receivers['uid:-1'] = ['uid' => -1, 'type' => self::TARGET_GLOBAL];
}
+ // Fetch the receivers for the public and the followers collection
if (in_array($receiver, [$followers, self::PUBLIC_COLLECTION]) && !empty($actor)) {
- $receivers = array_merge($receivers, self::getReceiverForActor($actor, $tags));
+ $receivers = self::getReceiverForActor($actor, $tags, $receivers);
continue;
}
}
}
- $receivers['uid:' . $contact['uid']] = $contact['uid'];
+ $type = $receivers['uid:' . $contact['uid']]['type'] ?? self::TARGET_UNKNOWN;
+ if (in_array($type, [self::TARGET_UNKNOWN, self::TARGET_FOLLOWER, self::TARGET_ANSWER, self::TARGET_GLOBAL])) {
+ 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;
+ }
+
+ $receivers['uid:' . $contact['uid']] = ['uid' => $contact['uid'], 'type' => $type];
+ }
}
}
* @return array with receivers (user id)
* @throws \Exception
*/
- public static function getReceiverForActor($actor, $tags)
+ private static function getReceiverForActor($actor, $tags, $receivers)
{
- $receivers = [];
- $networks = Protocol::FEDERATED;
- $condition = ['nurl' => Strings::normaliseLink($actor), 'rel' => [Contact::SHARING, Contact::FRIEND, Contact::FOLLOWER],
- 'network' => $networks, 'archive' => false, 'pending' => false];
+ $basecondition = ['rel' => [Contact::SHARING, Contact::FRIEND, Contact::FOLLOWER],
+ 'network' => Protocol::FEDERATED, 'archive' => false, 'pending' => false];
+
+ $condition = DBA::mergeConditions($basecondition, ['nurl' => Strings::normaliseLink($actor)]);
$contacts = DBA::select('contact', ['uid', 'rel'], $condition);
while ($contact = DBA::fetch($contacts)) {
- if (self::isValidReceiverForActor($contact, $actor, $tags)) {
- $receivers['uid:' . $contact['uid']] = $contact['uid'];
+ if (empty($receivers['uid:' . $contact['uid']]) && self::isValidReceiverForActor($contact, $actor, $tags)) {
+ $receivers['uid:' . $contact['uid']] = ['uid' => $contact['uid'], 'type' => self::TARGET_FOLLOWER];
+ }
+ }
+ DBA::close($contacts);
+
+ // The queries are split because of performance issues
+ $condition = DBA::mergeConditions($basecondition, ["`alias` IN (?, ?)", Strings::normaliseLink($actor), $actor]);
+ $contacts = DBA::select('contact', ['uid', 'rel'], $condition);
+ while ($contact = DBA::fetch($contacts)) {
+ if (empty($receivers['uid:' . $contact['uid']]) && self::isValidReceiverForActor($contact, $actor, $tags)) {
+ $receivers['uid:' . $contact['uid']] = ['uid' => $contact['uid'], 'type' => self::TARGET_FOLLOWER];
}
}
DBA::close($contacts);
return;
}
- if (Contact::updateFromProbe($cid, '', true)) {
+ if (Contact::updateFromProbe($cid)) {
Logger::info('Update was successful', ['id' => $cid, 'uid' => $uid, 'url' => $url]);
}
}
foreach ($receivers as $receiver) {
- $contact = DBA::selectFirst('contact', ['id'], ['uid' => $receiver, 'network' => Protocol::OSTATUS, 'nurl' => Strings::normaliseLink($actor)]);
+ $contact = DBA::selectFirst('contact', ['id'], ['uid' => $receiver['uid'], 'network' => Protocol::OSTATUS, 'nurl' => Strings::normaliseLink($actor)]);
if (DBA::isResult($contact)) {
- self::switchContact($contact['id'], $receiver, $actor);
+ self::switchContact($contact['id'], $receiver['uid'], $actor);
}
- $contact = DBA::selectFirst('contact', ['id'], ['uid' => $receiver, 'network' => Protocol::OSTATUS, 'alias' => [Strings::normaliseLink($actor), $actor]]);
+ $contact = DBA::selectFirst('contact', ['id'], ['uid' => $receiver['uid'], 'network' => Protocol::OSTATUS, 'alias' => [Strings::normaliseLink($actor), $actor]]);
if (DBA::isResult($contact)) {
- self::switchContact($contact['id'], $receiver, $actor);
+ self::switchContact($contact['id'], $receiver['uid'], $actor);
}
}
}
$data = ActivityPub\Transmitter::createNote($item);
$object = JsonLD::compact($data);
}
+
+ $id = JsonLD::fetchElement($object, '@id');
+ if (empty($id)) {
+ Logger::info('Empty id');
+ return false;
+ }
+
+ if ($id != $object_id) {
+ Logger::info('Fetched id differs from provided id', ['provided' => $object_id, 'fetched' => $id]);
+ return false;
+ }
} else {
Logger::log('Using original object for url ' . $object_id, Logger::DEBUG);
}
$type = JsonLD::fetchElement($object, '@type');
-
if (empty($type)) {
- Logger::log('Empty type', Logger::DEBUG);
+ Logger::info('Empty type');
return false;
}
- if (in_array($type, self::CONTENT_TYPES)) {
- return self::processObject($object);
+ // We currently don't handle 'pt:CacheFile', but with this step we avoid logging
+ if (in_array($type, self::CONTENT_TYPES) || ($type == 'pt:CacheFile')) {
+ $object_data = self::processObject($object);
+
+ if (!empty($data)) {
+ $object_data['raw'] = json_encode($data);
+ }
+ return $object_data;
}
if ($type == 'as:Announce') {
*
* @return array with tags in a simplified format
*/
- private static function processTags($tags)
+ private static function processTags(array $tags)
{
$taglist = [];
- if (empty($tags)) {
- return [];
- }
-
foreach ($tags as $tag) {
if (empty($tag)) {
continue;
continue;
}
+ if (empty($element['href'])) {
+ $element['href'] = $element['name'];
+ }
+
$taglist[] = $element;
}
return $taglist;
/**
* Convert emojis from JSON-LD format into a simplified format
*
- * @param $emojis
+ * @param array $emojis
* @return array with emojis in a simplified format
*/
- private static function processEmojis($emojis)
+ private static function processEmojis(array $emojis)
{
$emojilist = [];
- if (empty($emojis)) {
- return [];
- }
-
foreach ($emojis as $emoji) {
if (empty($emoji) || (JsonLD::fetchElement($emoji, '@type') != 'toot:Emoji') || empty($emoji['as:icon'])) {
continue;
$emojilist[] = $element;
}
+
return $emojilist;
}
*
* @param array $attachments Attachments in JSON-LD format
*
- * @return array with attachmants in a simplified format
+ * @return array Attachments in a simplified format
*/
- private static function processAttachments($attachments)
+ private static function processAttachments(array $attachments)
{
$attachlist = [];
- if (empty($attachments)) {
- return [];
- }
+ // Removes empty values
+ $attachments = array_filter($attachments);
foreach ($attachments as $attachment) {
- if (empty($attachment)) {
- continue;
- }
+ switch (JsonLD::fetchElement($attachment, '@type')) {
+ case 'as:Page':
+ $pageUrl = null;
+ $pageImage = null;
+
+ $urls = JsonLD::fetchElementArray($attachment, 'as:url');
+ foreach ($urls as $url) {
+ // Single scalar URL case
+ if (is_string($url)) {
+ $pageUrl = $url;
+ continue;
+ }
+
+ $href = JsonLD::fetchElement($url, 'as:href', '@id');
+ $mediaType = JsonLD::fetchElement($url, 'as:mediaType', '@value');
+ if (Strings::startsWith($mediaType, 'image')) {
+ $pageImage = $href;
+ } else {
+ $pageUrl = $href;
+ }
+ }
+
+ $attachlist[] = [
+ 'type' => 'link',
+ 'title' => JsonLD::fetchElement($attachment, 'as:name', '@value'),
+ 'desc' => JsonLD::fetchElement($attachment, 'as:summary', '@value'),
+ 'url' => $pageUrl,
+ 'image' => $pageImage,
+ ];
+ break;
+ case 'as:Link':
+ $attachlist[] = [
+ 'type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),
+ 'mediaType' => JsonLD::fetchElement($attachment, 'as:mediaType', '@value'),
+ 'name' => JsonLD::fetchElement($attachment, 'as:name', '@value'),
+ 'url' => JsonLD::fetchElement($attachment, 'as:href', '@id')
+ ];
+ break;
+ case 'as:Image':
+ $mediaType = JsonLD::fetchElement($attachment, 'as:mediaType', '@value');
+ $imageFullUrl = JsonLD::fetchElement($attachment, 'as:url', '@id');
+ $imagePreviewUrl = null;
+ // Multiple URLs?
+ if (!$imageFullUrl && ($urls = JsonLD::fetchElementArray($attachment, 'as:url'))) {
+ $imageVariants = [];
+ $previewVariants = [];
+ foreach ($urls as $url) {
+ // Scalar URL, no discrimination possible
+ if (is_string($url)) {
+ $imageFullUrl = $url;
+ continue;
+ }
+
+ // Not sure what to do with a different Link media type than the base Image, we skip
+ if ($mediaType != JsonLD::fetchElement($url, 'as:mediaType', '@value')) {
+ continue;
+ }
+
+ $href = JsonLD::fetchElement($url, 'as:href', '@id');
+
+ // Default URL choice if no discriminating width is provided
+ $imageFullUrl = $href ?? $imageFullUrl;
+
+ $width = intval(JsonLD::fetchElement($url, 'as:width', '@value') ?? 1);
+
+ if ($href && $width) {
+ $imageVariants[$width] = $href;
+ // 632 is the ideal width for full screen frio posts, we compute the absolute distance to it
+ $previewVariants[abs(632 - $width)] = $href;
+ }
+ }
+
+ if ($imageVariants) {
+ // Taking the maximum size image
+ ksort($imageVariants);
+ $imageFullUrl = array_pop($imageVariants);
- $attachlist[] = ['type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),
- 'mediaType' => JsonLD::fetchElement($attachment, 'as:mediaType', '@value'),
- 'name' => JsonLD::fetchElement($attachment, 'as:name', '@value'),
- 'url' => JsonLD::fetchElement($attachment, 'as:url', '@id')];
+ // Taking the minimum number distance to the target distance
+ ksort($previewVariants);
+ $imagePreviewUrl = array_shift($previewVariants);
+ }
+
+ unset($imageVariants);
+ unset($previewVariants);
+ }
+
+ $attachlist[] = [
+ 'type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),
+ 'mediaType' => $mediaType,
+ 'name' => JsonLD::fetchElement($attachment, 'as:name', '@value'),
+ 'url' => $imageFullUrl,
+ 'image' => $imagePreviewUrl !== $imageFullUrl ? $imagePreviewUrl : null,
+ ];
+ break;
+ default:
+ $attachlist[] = [
+ 'type' => str_replace('as:', '', JsonLD::fetchElement($attachment, '@type')),
+ 'mediaType' => JsonLD::fetchElement($attachment, 'as:mediaType', '@value'),
+ 'name' => JsonLD::fetchElement($attachment, 'as:name', '@value'),
+ 'url' => JsonLD::fetchElement($attachment, 'as:url', '@id')
+ ];
+ }
}
+
return $attachlist;
}
return $object_data;
}
+ /**
+ * Check if the "as:url" element is an array with multiple links
+ * This is the case with audio and video posts.
+ * Then the links are added as attachments
+ *
+ * @param array $object The raw object
+ * @param array $object_data The parsed object data for later processing
+ * @return array the object data
+ */
+ private static function processAttachmentUrls(array $object, array $object_data) {
+ // Check if this is some url with multiple links
+ if (empty($object['as:url'])) {
+ return $object_data;
+ }
+
+ $urls = $object['as:url'];
+ $keys = array_keys($urls);
+ if (!is_numeric(array_pop($keys))) {
+ return $object_data;
+ }
+
+ $attachments = [];
+
+ foreach ($urls as $url) {
+ if (empty($url['@type']) || ($url['@type'] != 'as:Link')) {
+ continue;
+ }
+
+ $href = JsonLD::fetchElement($url, 'as:href', '@id');
+ if (empty($href)) {
+ continue;
+ }
+
+ $mediatype = JsonLD::fetchElement($url, 'as:mediaType');
+ if (empty($mediatype)) {
+ continue;
+ }
+
+ if ($mediatype == 'text/html') {
+ $object_data['alternate-url'] = $href;
+ }
+
+ $filetype = strtolower(substr($mediatype, 0, strpos($mediatype, '/')));
+
+ if ($filetype == 'audio') {
+ $attachments[$filetype] = ['type' => $mediatype, 'url' => $href];
+ } elseif ($filetype == 'video') {
+ $height = (int)JsonLD::fetchElement($url, 'as:height', '@value');
+
+ // We save bandwidth by using a moderate height
+ // Peertube normally uses these heights: 240, 360, 480, 720, 1080
+ if (!empty($attachments[$filetype]['height']) &&
+ (($height > 480) || $height < $attachments[$filetype]['height'])) {
+ continue;
+ }
+
+ $attachments[$filetype] = ['type' => $mediatype, 'url' => $href, 'height' => $height];
+ }
+ }
+
+ foreach ($attachments as $type => $attachment) {
+ $object_data['attachments'][] = ['type' => $type,
+ 'mediaType' => $attachment['type'],
+ 'name' => '',
+ 'url' => $attachment['url']];
+ }
+ return $object_data;
+ }
+
/**
* Fetches data from the object part of an activity
*
$actor = JsonLD::fetchElement($object, 'as:actor', '@id');
}
+ $location = JsonLD::fetchElement($object, 'as:location', 'as:name', '@type', 'as:Place');
+ $location = JsonLD::fetchElement($location, 'location', '@value');
+ if ($location) {
+ // Some AP software allow formatted text in post location, so we run all the text converters we have to boil
+ // down to HTML and then finally format to plaintext.
+ $location = Markdown::convert($location);
+ $location = BBCode::convert($location);
+ $location = HTML::toPlaintext($location);
+ }
+
+ $object_data['sc:identifier'] = JsonLD::fetchElement($object, 'sc:identifier', '@value');
$object_data['diaspora:guid'] = JsonLD::fetchElement($object, 'diaspora:guid', '@value');
$object_data['diaspora:comment'] = JsonLD::fetchElement($object, 'diaspora:comment', '@value');
$object_data['diaspora:like'] = JsonLD::fetchElement($object, 'diaspora:like', '@value');
$object_data = self::getSource($object, $object_data);
$object_data['start-time'] = JsonLD::fetchElement($object, 'as:startTime', '@value');
$object_data['end-time'] = JsonLD::fetchElement($object, 'as:endTime', '@value');
- $object_data['location'] = JsonLD::fetchElement($object, 'as:location', 'as:name', '@type', 'as:Place');
- $object_data['location'] = JsonLD::fetchElement($object_data, 'location', '@value');
+ $object_data['location'] = $location;
$object_data['latitude'] = JsonLD::fetchElement($object, 'as:location', 'as:latitude', '@type', 'as:Place');
$object_data['latitude'] = JsonLD::fetchElement($object_data, 'latitude', '@value');
$object_data['longitude'] = JsonLD::fetchElement($object, 'as:location', 'as:longitude', '@type', 'as:Place');
$object_data['longitude'] = JsonLD::fetchElement($object_data, 'longitude', '@value');
- $object_data['attachments'] = self::processAttachments(JsonLD::fetchElementArray($object, 'as:attachment'));
- $object_data['tags'] = self::processTags(JsonLD::fetchElementArray($object, 'as:tag'));
- $object_data['emojis'] = self::processEmojis(JsonLD::fetchElementArray($object, 'as:tag', 'toot:Emoji'));
+ $object_data['attachments'] = self::processAttachments(JsonLD::fetchElementArray($object, 'as:attachment') ?? []);
+ $object_data['tags'] = self::processTags(JsonLD::fetchElementArray($object, 'as:tag') ?? []);
+ $object_data['emojis'] = self::processEmojis(JsonLD::fetchElementArray($object, 'as:tag', 'toot:Emoji') ?? []);
$object_data['generator'] = JsonLD::fetchElement($object, 'as:generator', 'as:name', '@type', 'as:Application');
$object_data['generator'] = JsonLD::fetchElement($object_data, 'generator', '@value');
$object_data['alternate-url'] = JsonLD::fetchElement($object, 'as:url', '@id');
}
}
- $object_data['receiver'] = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
+ if (in_array($object_data['object_type'], ['as:Audio', 'as:Video'])) {
+ $object_data = self::processAttachmentUrls($object, $object_data);
+ }
+
+ $receiverdata = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
+ $receivers = $reception_types = [];
+ foreach ($receiverdata as $key => $data) {
+ $receivers[$key] = $data['uid'];
+ $reception_types[$data['uid']] = $data['type'] ?? 0;
+ }
+
+ $object_data['receiver'] = $receivers;
+ $object_data['reception_type'] = $reception_types;
+
$object_data['unlisted'] = in_array(-1, $object_data['receiver']);
unset($object_data['receiver']['uid:-1']);