242 lines
7.1 KiB
PHP
242 lines
7.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App;
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use App\Entity;
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use App\Enums\GlobalPermissions;
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use App\Enums\PermissionInterface;
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use App\Enums\StationPermissions;
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use App\Http\ServerRequest;
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use App\Traits\RequestAwareTrait;
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use Doctrine\ORM\EntityManagerInterface;
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use Psr\EventDispatcher\EventDispatcherInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use function in_array;
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use function is_array;
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class Acl
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{
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use RequestAwareTrait;
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protected array $permissions;
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protected ?array $actions;
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public function __construct(
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protected EntityManagerInterface $em,
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protected EventDispatcherInterface $dispatcher
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) {
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$this->reload();
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}
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/**
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* Force a reload of the internal ACL cache (used in the event of a user status change).
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*/
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public function reload(): void
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{
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$sql = $this->em->createQuery(
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<<<'DQL'
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SELECT rp FROM App\Entity\RolePermission rp
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DQL
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);
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$this->actions = [];
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foreach ($sql->getArrayResult() as $row) {
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if ($row['station_id']) {
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$this->actions[$row['role_id']]['stations'][$row['station_id']][] = $row['action_name'];
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} else {
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$this->actions[$row['role_id']]['global'][] = $row['action_name'];
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}
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}
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}
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/**
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* @param string $permission_name
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* @param bool $is_global
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*/
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public function isValidPermission(string $permission_name, bool $is_global): bool
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{
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$permissions = $this->listPermissions();
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return $is_global
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? isset($permissions['global'][$permission_name])
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: isset($permissions['station'][$permission_name]);
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}
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/**
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* @return mixed[]
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*/
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public function listPermissions(): array
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{
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if (!isset($this->permissions)) {
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/** @var array<string,array<string, string>> $permissions */
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$permissions = [
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'global' => [],
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'station' => [],
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];
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foreach (GlobalPermissions::cases() as $globalPermission) {
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$permissions['global'][$globalPermission->value] = $globalPermission->getName();
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}
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foreach (StationPermissions::cases() as $stationPermission) {
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$permissions['station'][$stationPermission->value] = $stationPermission->getName();
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}
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$buildPermissionsEvent = new Event\BuildPermissions($permissions);
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$this->dispatcher->dispatch($buildPermissionsEvent);
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$this->permissions = $buildPermissionsEvent->getPermissions();
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}
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return $this->permissions;
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}
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/**
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* Check if the current user associated with the request has the specified permission.
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*
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* @param array<string|PermissionInterface>|string|PermissionInterface $action
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* @param int|Entity\Station|null $stationId
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*/
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public function isAllowed(
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array|string|PermissionInterface $action,
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Entity\Station|int $stationId = null
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): bool {
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if ($this->request instanceof ServerRequestInterface) {
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$user = $this->request->getAttribute(ServerRequest::ATTR_USER);
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return $this->userAllowed($user, $action, $stationId);
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}
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return false;
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}
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/**
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* Check if a specified User entity is allowed to perform an action (or array of actions).
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*
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* @param Entity\User|null $user
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* @param array<string|PermissionInterface>|string|PermissionInterface $action
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* @param int|Entity\Station|null $stationId
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*/
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public function userAllowed(
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?Entity\User $user = null,
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array|string|PermissionInterface $action = null,
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Entity\Station|int $stationId = null
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): bool {
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if (null === $user || null === $action) {
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return false;
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}
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if ($stationId instanceof Entity\Station) {
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$stationId = $stationId->getId();
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}
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$numRoles = $user->getRoles()->count();
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if ($numRoles > 0) {
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if ($numRoles === 1) {
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/** @var Entity\Role $role */
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$role = $user->getRoles()->first();
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return $this->roleAllowed($role->getIdRequired(), $action, $stationId);
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}
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$roles = [];
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foreach ($user->getRoles() as $role) {
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$roles[] = $role->getId();
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}
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return $this->roleAllowed($roles, $action, $stationId);
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}
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return false;
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}
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/**
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* Check if a role (or array of roles) is allowed to perform an action (or array of actions).
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*
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* @param array|int $role_id
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* @param array<string|PermissionInterface>|string|PermissionInterface $action
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* @param int|Entity\Station|null $station_id
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*/
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public function roleAllowed(
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array|int $role_id,
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array|string|PermissionInterface $action,
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Entity\Station|int $station_id = null
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): bool {
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if ($station_id instanceof Entity\Station) {
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$station_id = $station_id->getId();
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}
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if ($action instanceof PermissionInterface) {
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$action = $action->getValue();
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}
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// Iterate through an array of roles and return with the first "true" response, or "false" otherwise.
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if (is_array($role_id)) {
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foreach ($role_id as $r) {
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if ($this->roleAllowed($r, $action, $station_id)) {
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return true;
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}
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}
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return false;
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}
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// If multiple actions are supplied, treat the list as "x OR y OR z", returning if any action is allowed.
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if (is_array($action)) {
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foreach ($action as $a) {
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if ($this->roleAllowed($role_id, $a, $station_id)) {
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return true;
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}
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}
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return false;
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}
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if (!empty($this->actions[$role_id])) {
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$role_actions = (array)$this->actions[$role_id];
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if (
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in_array(
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GlobalPermissions::All->value,
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(array)$role_actions['global'],
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true
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)
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) {
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return true;
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}
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if ($station_id !== null) {
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if (
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in_array(
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GlobalPermissions::Stations->value,
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(array)$role_actions['global'],
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true
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)
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) {
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return true;
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}
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if (!empty($role_actions['stations'][$station_id])) {
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if (
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in_array(
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StationPermissions::All->value,
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$role_actions['stations'][$station_id],
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true
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)
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) {
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return true;
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}
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return in_array($action, (array)$role_actions['stations'][$station_id], true);
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}
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} else {
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return in_array($action, (array)$role_actions['global'], true);
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}
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}
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return false;
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}
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}
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