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Improved distribution of non public messages

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Michael 2023-11-30 05:51:38 +00:00
parent 9fb493bf18
commit f5337904e4
4 changed files with 47 additions and 17 deletions
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33
src/Protocol/ActivityPub/Receiver.php
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@ -308,12 +308,13 @@ class Receiver
* @param boolean $push Message had been pushed to our system
* @param boolean $trust_source Do we trust the source?
* @param string $original_actor Actor of the original activity. Used for receiver detection. (Optional)
* @param string $http_signer Actor who has signed the HTTP request
*
* @return array with object data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function prepareObjectData(array $activity, int $uid, bool $push, bool &$trust_source, string $original_actor = ''): array
public static function prepareObjectData(array $activity, int $uid, bool $push, bool &$trust_source, string $original_actor = '', string $http_signer = ''): array
{
$id = JsonLD::fetchElement($activity, '@id');
$type = JsonLD::fetchElement($activity, '@type');
@ -332,7 +333,7 @@ class Receiver
$fetched = false;
if (!empty($id) && !$trust_source) {
$fetch_uid = $uid ?: self::getBestUserForActivity($activity, $original_actor);
$fetch_uid = $uid ?: self::getBestUserForActivity($activity, $original_actor, '');
$fetched_activity = Processor::fetchCachedActivity($fetch_id, $fetch_uid);
if (!empty($fetched_activity)) {
@ -368,7 +369,7 @@ class Receiver
$type = JsonLD::fetchElement($activity, '@type');
// Fetch all receivers from to, cc, bto and bcc
$receiverdata = self::getReceivers($activity, $original_actor ?: $actor, [], false, $push || $fetched);
$receiverdata = self::getReceivers($activity, $original_actor ?: $actor, [], false, $push || $fetched, $http_signer);
$receivers = $reception_types = [];
foreach ($receiverdata as $key => $data) {
$receivers[$key] = $data['uid'];
@ -392,7 +393,7 @@ class Receiver
// We possibly need some user to fetch private content,
// so we fetch one out of the receivers if no uid is provided.
$fetch_uid = $uid ?: self::getBestUserForActivity($activity, $original_actor);
$fetch_uid = $uid ?: self::getBestUserForActivity($activity, $original_actor, $http_signer);
$object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
if (empty($object_id)) {
@ -682,7 +683,7 @@ class Receiver
}
// $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, $original_actor);
$object_data = self::prepareObjectData($activity, $uid, $push, $trust_source, $original_actor, $trust_source ? $http_signer : '');
if (empty($object_data)) {
Logger::info('No object data found', ['activity' => $activity]);
return true;
@ -1094,15 +1095,16 @@ class Receiver
*
* @param array $activity
* @param string $actor
* @param string $http_signer
*
* @return int user id
*/
public static function getBestUserForActivity(array $activity, string $actor = ''): int
public static function getBestUserForActivity(array $activity, string $actor = '', string $http_signer): int
{
$uid = 0;
$actor = $actor ?: JsonLD::fetchElement($activity, 'as:actor', '@id') ?? '';
$receivers = self::getReceivers($activity, $actor, [], false, false);
$receivers = self::getReceivers($activity, $actor, [], false, false, $http_signer);
foreach ($receivers as $receiver) {
if ($receiver['type'] == self::TARGET_GLOBAL) {
return 0;
@ -1157,11 +1159,12 @@ class Receiver
* @param array $tags
* @param bool $fetch_unlisted
* @param bool $push
* @param string $http_signer
*
* @return array with receivers (user id)
* @throws \Exception
*/
private static function getReceivers(array $activity, string $actor, array $tags, bool $fetch_unlisted, bool $push): array
private static function getReceivers(array $activity, string $actor, array $tags, bool $fetch_unlisted, bool $push, string $http_signer): array
{
$reply = $receivers = $profile = [];
@ -1200,6 +1203,13 @@ class Receiver
// We have to prevent false follower assumptions upon thread completions
$follower_target = empty($activity['thread-completion']) ? self::TARGET_FOLLOWER : self::TARGET_UNKNOWN;
if (($actor != $http_signer) && ($http_signer != '') && ($follower_target == self::TARGET_FOLLOWER)) {
$signer_profile = APContact::getByURL($http_signer);
$signer_followers = $signer_profile['followers'] ?? '';
} else {
$signer_followers = '';
}
foreach (['as:to', 'as:cc', 'as:bto', 'as:bcc','as:audience'] as $element) {
$receiver_list = JsonLD::fetchElementArray($activity, $element, '@id');
if (empty($receiver_list)) {
@ -1222,6 +1232,11 @@ class Receiver
continue;
}
if ($receiver == $signer_followers) {
$receivers = self::getReceiverForActor($http_signer, [], $receivers, $follower_target, $signer_profile);
continue;
}
// Fetching all directly addressed receivers
$condition = ['self' => true, 'nurl' => Strings::normaliseLink($receiver)];
$contact = DBA::selectFirst('contact', ['uid', 'contact-type'], $condition);
@ -1949,7 +1964,7 @@ class Receiver
$object_data = self::getObjectDataFromActivity($object);
$receiverdata = self::getReceivers($object, $actor ?: $object_data['actor'] ?? '', $object_data['tags'], true, false);
$receiverdata = self::getReceivers($object, $actor ?: $object_data['actor'] ?? '', $object_data['tags'], true, false, '');
$receivers = $reception_types = [];
foreach ($receiverdata as $key => $data) {
$receivers[$key] = $data['uid'];