cloud_bbb/lib/Permission.php

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<?php
namespace OCA\BigBlueButton;
use Closure;
use OCA\BigBlueButton\Service\RoomShareService;
use OCA\BigBlueButton\Db\Room;
use OCA\BigBlueButton\Db\RoomShare;
use OCP\IGroupManager;
class Permission
{
/** @var IGroupManager */
private $groupManager;
/** @var RoomShareService */
private $roomShareService;
public function __construct(
IGroupManager $groupManager,
RoomShareService $roomShareService
) {
$this->groupManager = $groupManager;
$this->roomShareService = $roomShareService;
}
public function isUser(Room $room, string $uid)
{
return $this->hasPermission($room, $uid, function (RoomShare $share) {
return $share->hasUserPermission();
});
}
public function isModerator(Room $room, string $uid)
{
if ($room->everyoneIsModerator) {
return true;
}
return $this->hasPermission($room, $uid, function (RoomShare $share) {
return $share->hasModeratorPermission();
});
}
public function isAdmin(Room $room, string $uid)
{
return $this->hasPermission($room, $uid, function (RoomShare $share) {
return $share->hasAdminPermission();
});
}
private function hasPermission(Room $room, string $uid, Closure $hasPermission): bool
{
if ($uid === null) {
return false;
}
if ($uid === $room->userId) {
return true;
}
$shares = $this->roomShareService->findAll($room->id);
/** @var RoomShare $share */
foreach ($shares as $share) {
if (!$hasPermission($share)) {
continue;
}
if ($share->getShareType() === RoomShare::SHARE_TYPE_USER) {
if ($share->getShareWith() === $uid) {
return true;
}
} elseif ($share->getShareType() === RoomShare::SHARE_TYPE_GROUP) {
if ($this->groupManager->isInGroup($uid, $share->getShareWith())) {
return true;
}
}
}
return false;
}
}