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<?php |
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namespace EmilMoe\Guardian\Http\Middleware; |
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use Closure; |
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use Illuminate\Http\Request; |
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use EmilMoe\Guardian\Http\Guardian; |
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use Illuminate\Support\Facades\Auth; |
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use EmilMoe\Guardian\Http\PermissionParameter; |
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class GuardianMiddleware |
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{ |
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/** |
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* Handle an incoming request. |
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* |
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* @param Request $request |
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* @param Closure $next |
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* @param String $permission |
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* @return mixed |
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*/ |
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public function handle($request, Closure $next, $permission) |
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{ |
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$this->toCollection($permission); |
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if (! $this->hasAccess($request, $permission)) |
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return Guardian::restricted(); |
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return $next($request); |
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} |
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/** |
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* Convert input to an array |
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* |
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* @param $permission |
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*/ |
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private function toCollection(&$permission) |
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{ |
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$permission = collect(strpos($permission, ':') !== false ? explode(':', $permission) : [$permission]); |
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$permission = $permission->map(function($item) { |
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return new PermissionParameter($item); |
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}); |
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} |
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/** |
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* Check if has local or global access |
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* |
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* @param $request |
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* @param $permission |
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* @return bool |
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*/ |
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private function hasAccess($request, $permission) |
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{ |
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if (! Auth::check()) |
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return false; |
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if ($this->hasGlobalAccess($permission) || $this->hasLocalAccess($request, $permission)) |
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return true; |
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return false; |
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} |
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/** |
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* Check if user has set global access |
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* |
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* @param $permission |
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* @return mixed |
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*/ |
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private function hasGlobalAccess($permission) |
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{ |
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if (is_string($permission)) |
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return Auth::user()->hasAccess($permission); |
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foreach ($permission as $perm) |
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if ($this->hasGlobalAccess($perm->getName())) |
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return true; |
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return false; |
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} |
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/** |
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* Check if user has set local access to the current ID |
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* |
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* @param $request |
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* @param $permission |
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* @param null $id |
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* @return bool |
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*/ |
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private function hasLocalAccess($request, $permission, $id = null) |
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{ |
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if (is_string($permission)) |
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return Auth::user()->hasAccess($permission, $id); |
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foreach ($permission as $perm) |
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if ($this->hasLocalAccess($request, $perm->getName(), $request->{$perm->getColumn()})) |
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return true; |
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return false; |
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} |
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} |