cloud_bbb/lib/Permission.php

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<?php
namespace OCA\BigBlueButton;
use Closure;
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use OCA\BigBlueButton\Db\Restriction;
use OCA\BigBlueButton\Db\Room;
use OCA\BigBlueButton\Db\RoomShare;
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use OCA\BigBlueButton\Service\RestrictionService;
use OCA\BigBlueButton\Service\RoomService;
use OCA\BigBlueButton\Service\RoomShareService;
use OCP\IGroupManager;
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use OCP\IUserManager;
class Permission {
/** @var IUserManager */
private $userManager;
/** @var IGroupManager */
private $groupManager;
/** @var RoomService */
private $roomService;
/** @var RestrictionService */
private $restrictionService;
/** @var RoomShareService */
private $roomShareService;
/** @var CircleHelper */
private $circleHelper;
public function __construct(
IUserManager $userManager,
IGroupManager $groupManager,
RoomService $roomService,
RestrictionService $restrictionService,
RoomShareService $roomShareService,
CircleHelper $circleHelper
) {
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->roomService = $roomService;
$this->restrictionService = $restrictionService;
$this->roomShareService = $roomShareService;
$this->circleHelper = $circleHelper;
}
public function getRestriction(string $uid): Restriction {
$user = $this->userManager->get($uid);
$groupIds = $this->groupManager->getUserGroupIds($user);
return $this->restrictionService->findByGroupIds($groupIds);
}
public function isAllowedToCreateRoom(string $uid): bool {
$numberOfCreatedRooms = count($this->roomService->findAll($uid, [], []));
$restriction = $this->getRestriction($uid);
return $restriction->getMaxRooms() < 0 || $restriction->getMaxRooms() > $numberOfCreatedRooms;
}
public function isUser(Room $room, ?string $uid): bool {
return $this->hasPermission($room, $uid, function (RoomShare $share) {
return $share->hasUserPermission();
});
}
public function isModerator(Room $room, ?string $uid): bool {
if ($room->everyoneIsModerator) {
return true;
}
return $this->hasPermission($room, $uid, function (RoomShare $share) {
return $share->hasModeratorPermission();
});
}
public function isAdmin(Room $room, ?string $uid): bool {
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, $share->getShareWith())) {
return true;
}
} elseif ($share->getShareType() === RoomShare::SHARE_TYPE_CIRCLE) {
if ($this->circleHelper->isInCircle($uid, $share->getShareWith())) {
return true;
}
}
}
return false;
}
}