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[PLUGIN][ActivityPub] Add getUriByObject, so that we can construct activities referring to other known objects (local or foreign)

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Diogo Peralta Cordeiro
2021-12-12 06:40:13 +00:00
parent 57beb178cc
commit a005a7bcea
2 changed files with 44 additions and 11 deletions
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35
plugins/ActivityPub/ActivityPub.php
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@@ -70,6 +70,7 @@ use function count;
use function is_null;
use const PHP_URL_HOST;
use const PREG_SET_ORDER;
use InvalidArgumentException;
/**
* Adds ActivityPub support to GNU social when enabled
@@ -115,13 +116,13 @@ class ActivityPub extends Plugin
'activitypub_inbox',
'/inbox.json',
[Inbox::class, 'handle'],
options: ['accept' => self::$accept_headers, 'format' => self::$accept_headers[0]],
options: ['format' => self::$accept_headers[0]],
);
$r->connect(
'activitypub_actor_inbox',
'/actor/{gsactor_id<\d+>}/inbox.json',
[Inbox::class, 'handle'],
options: ['accept' => self::$accept_headers, 'format' => self::$accept_headers[0]],
options: ['format' => self::$accept_headers[0]],
);
$r->connect(
'activitypub_actor_outbox',
@@ -140,7 +141,7 @@ class ActivityPub extends Plugin
* @param string|null $url
* @return bool
*/
public function onStartGetActorUrl(Actor $actor, int $type, ?string &$url): bool
public function onStartGetActorUri(Actor $actor, int $type, ?string &$url): bool
{
if (
// Is remote?
@@ -384,6 +385,34 @@ class ActivityPub extends Plugin
}
}
/**
* @param mixed $object
* @return string got from URI
*/
public static function getUriByObject(mixed $object): string
{
if ($object instanceof Note) {
if($object->getIsLocal()) {
return $object->getUrl();
} else {
// Try known remote objects
$known_object = ActivitypubObject::getByPK(['object_type' => 'note', 'object_id' => $object->getId()]);
if ($known_object instanceof ActivitypubObject) {
return $known_object->getObjectUri();
}
}
} else if ($object instanceof Activity) {
// Try known remote activities
$known_activity = ActivitypubActivity::getByPK(['activity_id' => $object->getId()]);
if ($known_activity instanceof ActivitypubActivity) {
return $known_activity->getActivityUri();
} else {
return Router::url('activity_view', ['id' => $object->getId()], Router::ABSOLUTE_URL);
}
}
throw new InvalidArgumentException('ActivityPub::getUriByObject found a limitation with: '.var_export($object, true));
}
/**
* Get a Note from ActivityPub URI, if it doesn't exist, attempt to fetch it
* This should only be necessary internally.