gnu-social/plugins/ActivityPub/ActivityPub.php
Diogo Peralta Cordeiro 8880af8197
[ActivityStreamsTwo] Introduce a structure for data representation in ActivityStreams 2.0
Type factory borrowed from landrok/activitypub
2021-09-14 13:13:37 +01:00

79 lines
1.9 KiB
PHP

<?php
namespace Plugin\ActivityPub;
use App\Core\Event;
use App\Core\Modules\Plugin;
use App\Core\Router\RouteLoader;
use Exception;
use Plugin\ActivityPub\Controller\Inbox;
class ActivityPub extends Plugin
{
public function version(): string
{
return '3.0.0';
}
public static array $accept_headers = [
'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
'application/activity+json',
'application/json',
'application/ld+json',
];
/**
* This code executes when GNU social creates the page routing, and we hook
* on this event to add our action handler for Embed.
*
* @param $r RouteLoader the router that was initialized.
*
* @return bool
*/
public function onAddRoute(RouteLoader $r): bool
{
$r->connect(
'activitypub_inbox',
'{gsactor_id<\d+>}/inbox',
[Inbox::class, 'handle'],
options: ['accept' => self::$accept_headers]
);
return Event::next;
}
/**
* Validate HTTP Accept headers
*
* @param null|array|string $accept
* @param bool $strict Strict mode
*
* @throws \Exception when strict mode enabled
*
* @return bool
*/
public static function validateAcceptHeader(array|string|null $accept, bool $strict): bool
{
if (is_string($accept)
&& in_array($accept, self::$accept_headers)
) {
return true;
} elseif (is_array($accept)
&& count(
array_intersect($accept, self::$accept_headers)
)
) {
return true;
}
if (!$strict) {
return false;
}
throw new Exception(
sprintf(
"HTTP Accept header error. Given: '%s'",
$accept
)
);
}
}