Cleaned code
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834422d52f
commit
e91a1dfa8e
3 changed files with 53 additions and 114 deletions
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@ -566,7 +566,7 @@ class ActivityPub
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if (DBA::isResult($conversation) && !empty($conversation['conversation-uri'])) {
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$conversation_uri = $conversation['conversation-uri'];
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} else {
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$conversation_uri = $item['parent-uri'];
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$conversation_uri = str_replace('/object/', '/context/', $item['parent-uri']);
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}
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return $conversation_uri;
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}
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@ -938,6 +938,9 @@ class ActivityPub
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if (LDSignature::isSigned($activity)) {
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$ld_signer = LDSignature::getSigner($activity);
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if (empty($ld_signer)) {
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logger('Invalid JSON-LD signature from ' . $actor, LOGGER_DEBUG);
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}
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if (!empty($ld_signer && ($actor == $http_signer))) {
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logger('The HTTP and the JSON-LD signature belong to ' . $ld_signer, LOGGER_DEBUG);
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$trust_source = true;
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@ -1005,52 +1008,33 @@ class ActivityPub
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logger('Receivers: ' . json_encode($receivers), LOGGER_DEBUG);
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if (is_string($activity['object'])) {
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$object_url = $activity['object'];
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} elseif (!empty($activity['object']['id'])) {
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$object_url = $activity['object']['id'];
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} else {
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$object_id = JsonLD::fetchElement($activity, 'object', 'id');
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if (empty($object_id)) {
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logger('No object found', LOGGER_DEBUG);
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return [];
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}
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// Fetch the content only on activities where this matters
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if (in_array($activity['type'], ['Create', 'Announce'])) {
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$object_data = self::fetchObject($object_url, $activity['object'], $trust_source);
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$object_data = self::fetchObject($object_id, $activity['object'], $trust_source);
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if (empty($object_data)) {
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logger("Object data couldn't be processed", LOGGER_DEBUG);
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return [];
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}
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// We had been able to retrieve the object data - so we can trust the source
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$trust_source = true;
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} elseif ($activity['type'] == 'Update') {
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$object_data = [];
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$object_data['object_type'] = JsonLD::fetchElement($activity, 'object', 'type');
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$object_data['object'] = $activity['object'];
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} elseif ($activity['type'] == 'Accept') {
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$object_data = [];
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$object_data['object_type'] = JsonLD::fetchElement($activity, 'object', 'type');
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$object_data['object'] = JsonLD::fetchElement($activity, 'object', 'actor');
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} elseif ($activity['type'] == 'Undo') {
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$object_data = [];
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$object_data['object_type'] = JsonLD::fetchElement($activity, 'object', 'type');
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if ($object_data['object_type'] == 'Follow') {
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$object_data['object'] = JsonLD::fetchElement($activity, 'object', 'object');
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} else {
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$object_data['object'] = $activity['object'];
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}
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} elseif (in_array($activity['type'], ['Like', 'Dislike'])) {
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// Create a mostly empty array out of the activity data (instead of the object).
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// This way we later don't have to check for the existence of ech individual array element.
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$object_data = self::processCommonData($activity);
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$object_data = self::ProcessObject($activity);
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$object_data['name'] = $activity['type'];
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$object_data['author'] = $activity['actor'];
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$object_data['object'] = $object_url;
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} elseif ($activity['type'] == 'Follow') {
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$object_data['id'] = $activity['id'];
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$object_data['object'] = $object_url;
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$object_data['object'] = $object_id;
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} else {
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$object_data = [];
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$object_data['id'] = $activity['id'];
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$object_data['object'] = $activity['object'];
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$object_data['object_type'] = JsonLD::fetchElement($activity, 'object', 'type');
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}
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$object_data = self::addActivityFields($object_data, $activity);
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@ -1059,6 +1043,8 @@ class ActivityPub
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$object_data['owner'] = $actor;
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$object_data['receiver'] = array_merge(defaults($object_data, 'receiver', []), $receivers);
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logger('Processing ' . $object_data['type'] . ' ' . $object_data['object_type'] . ' ' . $object_data['id'], LOGGER_DEBUG);
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return $object_data;
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}
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@ -1080,14 +1066,6 @@ class ActivityPub
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}
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// Non standard
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// title, atomUri, context_id, statusnetConversationId
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// To-Do?
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// context, location, signature;
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logger('Processing activity: ' . $activity['type'], LOGGER_DEBUG);
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// $trust_source is called by reference and is set to true if the content was retrieved successfully
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$object_data = self::prepareObjectData($activity, $uid, $trust_source);
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if (empty($object_data)) {
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@ -1282,18 +1260,18 @@ class ActivityPub
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return $object_data;
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}
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private static function fetchObject($object_url, $object = [], $trust_source = false)
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private static function fetchObject($object_id, $object = [], $trust_source = false)
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{
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if (!$trust_source || is_string($object)) {
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$data = self::fetchContent($object_url);
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$data = self::fetchContent($object_id);
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if (empty($data)) {
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logger('Empty content for ' . $object_url . ', check if content is available locally.', LOGGER_DEBUG);
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$data = $object_url;
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logger('Empty content for ' . $object_id . ', check if content is available locally.', LOGGER_DEBUG);
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$data = $object_id;
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} else {
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logger('Fetched content for ' . $object_url, LOGGER_DEBUG);
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logger('Fetched content for ' . $object_id, LOGGER_DEBUG);
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}
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} else {
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logger('Using original object for url ' . $object_url, LOGGER_DEBUG);
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logger('Using original object for url ' . $object_id, LOGGER_DEBUG);
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$data = $object;
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}
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@ -1303,29 +1281,20 @@ class ActivityPub
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logger('Object with url ' . $data . ' was not found locally.', LOGGER_DEBUG);
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return false;
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}
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logger('Using already stored item for url ' . $object_url, LOGGER_DEBUG);
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logger('Using already stored item for url ' . $object_id, LOGGER_DEBUG);
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$data = self::CreateNote($item);
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}
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if (empty($data['type'])) {
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logger('Empty type', LOGGER_DEBUG);
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return false;
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} else {
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$type = $data['type'];
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logger('Type ' . $type, LOGGER_DEBUG);
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}
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if (in_array($type, ['Note', 'Article', 'Video'])) {
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$common = self::processCommonData($data);
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}
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switch ($type) {
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switch ($data['type']) {
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case 'Note':
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return array_merge($common, self::processNote($data));
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case 'Article':
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return array_merge($common, self::processArticle($data));
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case 'Video':
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return array_merge($common, self::processVideo($data));
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return self::ProcessObject($data);
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case 'Announce':
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if (empty($data['object'])) {
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@ -1343,20 +1312,20 @@ class ActivityPub
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}
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}
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private static function processCommonData(&$object)
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private static function ProcessObject(&$object)
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{
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if (empty($object['id'])) {
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return false;
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}
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$object_data = [];
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$object_data['type'] = $object['type'];
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$object_data['uri'] = $object['id'];
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$object_data['object_type'] = $object['type'];
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$object_data['id'] = $object['id'];
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if (!empty($object['inReplyTo'])) {
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$object_data['reply-to-uri'] = JsonLD::fetchElement($object, 'inReplyTo', 'id');
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} else {
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$object_data['reply-to-uri'] = $object_data['uri'];
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$object_data['reply-to-uri'] = $object_data['id'];
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}
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$object_data['published'] = defaults($object, 'published', null);
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@ -1366,8 +1335,13 @@ class ActivityPub
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$object_data['published'] = $object_data['updated'];
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}
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$actor = JsonLD::fetchElement($object, 'attributedTo', 'id');
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if (empty($actor)) {
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$actor = defaults($object, 'actor', null);
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}
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$object_data['uuid'] = defaults($object, 'uuid', null);
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$object_data['owner'] = $object_data['author'] = JsonLD::fetchElement($object, 'attributedTo', 'id');
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$object_data['owner'] = $object_data['author'] = $actor;
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$object_data['context'] = defaults($object, 'context', null);
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$object_data['conversation'] = defaults($object, 'conversation', null);
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$object_data['sensitive'] = defaults($object, 'sensitive', null);
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@ -1383,18 +1357,15 @@ class ActivityPub
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$object_data['alternate-url'] = JsonLD::fetchElement($object, 'url', 'href');
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$object_data['receiver'] = self::getReceivers($object, $object_data['owner']);
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// Common object data:
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// Unhandled
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// @context, type, actor, signature, mediaType, duration, replies, icon
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// Also missing: (Defined in the standard, but currently unused)
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// audience, preview, endTime, startTime, generator, image
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return $object_data;
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}
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private static function processNote($object)
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{
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$object_data = [];
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// Data in Notes:
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// To-Do?
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// emoji, atomUri, inReplyToAtomUri
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@ -1403,19 +1374,7 @@ class ActivityPub
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// contentMap, announcement_count, announcements, context_id, likes, like_count
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// inReplyToStatusId, shares, quoteUrl, statusnetConversationId
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return $object_data;
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}
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private static function processArticle($object)
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{
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$object_data = [];
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return $object_data;
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}
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private static function processVideo($object)
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{
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$object_data = [];
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// Data in video:
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// To-Do?
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// category, licence, language, commentsEnabled
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@ -1424,6 +1383,7 @@ class ActivityPub
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// views, waitTranscoding, state, support, subtitleLanguage
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// likes, dislikes, shares, comments
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return $object_data;
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}
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@ -1448,11 +1408,6 @@ class ActivityPub
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$tag_text .= ',';
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}
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if (empty($tag['href'])) {
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//$tag['href']
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logger('Blubb!');
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}
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$tag_text .= substr($tag['name'], 0, 1) . '[url=' . $tag['href'] . ']' . substr($tag['name'], 1) . '[/url]';
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}
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}
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@ -1494,7 +1449,7 @@ class ActivityPub
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$item['verb'] = ACTIVITY_POST;
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$item['parent-uri'] = $activity['reply-to-uri'];
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if ($activity['reply-to-uri'] == $activity['uri']) {
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if ($activity['reply-to-uri'] == $activity['id']) {
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$item['gravity'] = GRAVITY_PARENT;
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$item['object-type'] = ACTIVITY_OBJ_NOTE;
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} else {
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@ -1502,7 +1457,7 @@ class ActivityPub
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$item['object-type'] = ACTIVITY_OBJ_COMMENT;
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}
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if (($activity['uri'] != $activity['reply-to-uri']) && !Item::exists(['uri' => $activity['reply-to-uri']])) {
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if (($activity['id'] != $activity['reply-to-uri']) && !Item::exists(['uri' => $activity['reply-to-uri']])) {
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logger('Parent ' . $activity['reply-to-uri'] . ' not found. Try to refetch it.');
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self::fetchMissingActivity($activity['reply-to-uri'], $activity);
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}
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@ -1545,7 +1500,7 @@ class ActivityPub
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$item['private'] = !in_array(0, $activity['receiver']);
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$item['author-id'] = Contact::getIdForURL($activity['author'], 0, true);
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$item['owner-id'] = Contact::getIdForURL($activity['owner'], 0, true);
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$item['uri'] = $activity['uri'];
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$item['uri'] = $activity['id'];
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$item['created'] = $activity['published'];
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$item['edited'] = $activity['updated'];
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$item['guid'] = $activity['uuid'];
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@ -1620,7 +1575,8 @@ class ActivityPub
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private static function followUser($activity)
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{
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$uid = self::getUserOfObject($activity['object']);
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$actor = JsonLD::fetchElement($activity, 'object', 'id');
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$uid = self::getUserOfObject($actor);
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if (empty($uid)) {
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return;
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}
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@ -1663,7 +1619,8 @@ class ActivityPub
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private static function acceptFollowUser($activity)
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{
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$uid = self::getUserOfObject($activity['object']);
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$actor = JsonLD::fetchElement($activity, 'object', 'actor');
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$uid = self::getUserOfObject($actor);
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if (empty($uid)) {
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return;
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}
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@ -1710,7 +1667,8 @@ class ActivityPub
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private static function undoFollowUser($activity)
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{
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$uid = self::getUserOfObject($activity['object']);
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$object = JsonLD::fetchElement($activity, 'object', 'object');
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$uid = self::getUserOfObject($object);
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if (empty($uid)) {
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return;
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}
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@ -40,25 +40,10 @@ class JsonLD
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return $data;
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}
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private static function objectify($element)
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{
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if (is_array($element)) {
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$keys = array_keys($element);
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if (is_int(array_pop($keys))) {
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return array_map('objectify', $element);
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} else {
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return (object)array_map('objectify', $element);
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}
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} else {
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return $element;
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}
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}
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public static function normalize($json)
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{
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jsonld_set_document_loader('Friendica\Util\JsonLD::documentLoader');
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// $jsonobj = array_map('Friendica\Util\JsonLD::objectify', $json);
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$jsonobj = json_decode(json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
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return jsonld_normalize($jsonobj, array('algorithm' => 'URDNA2015', 'format' => 'application/nquads'));
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@ -82,25 +82,21 @@ class LDSignature
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return array_merge($data, ['signature' => $options]);
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}
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private static function signable_data($data)
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{
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unset($data['signature']);
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return $data;
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}
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private static function signable_options($options)
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{
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$newopts = ['@context' => 'https://w3id.org/identity/v1'];
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if (!empty($options)) {
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foreach ($options as $k => $v) {
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if (!in_array($k, ['type', 'id', 'signatureValue'])) {
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$newopts[$k] = $v;
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}
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}
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}
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return $newopts;
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unset($options['type']);
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unset($options['id']);
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unset($options['signatureValue']);
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return array_merge($newopts, $options);
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}
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private static function hash($obj)
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