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ApolloUpload Middleware for Laravel
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<?php | |
declare(strict_types=1); | |
namespace App\Http\Middleware; | |
use Closure; | |
use Illuminate\Http\Request; | |
/** | |
* Class ApolloUpload | |
*/ | |
class ApolloUpload | |
{ | |
private const GRAPHQL_OPERATIONS = 'operations'; | |
private const GRAPHQL_MAP = 'map'; | |
/** | |
* @param Request $request | |
* @param Closure $next | |
* @return mixed | |
*/ | |
public function handle(Request $request, Closure $next) | |
{ | |
if ($this->isApolloUpload($request)) { | |
$request->request->replace($this->transform($request)); | |
} | |
return $next($request); | |
} | |
/** | |
* @param Request $request | |
* @return bool | |
*/ | |
private function isApolloUpload(Request $request): bool | |
{ | |
$contentType = $request->header('content-type'); | |
return \mb_stripos($contentType, 'multipart/form-data') !== false | |
&& $request->has(self::GRAPHQL_OPERATIONS) | |
&& $request->has(self::GRAPHQL_MAP); | |
} | |
/** | |
* @param Request $request | |
* @return array | |
*/ | |
private function transform(Request $request): array | |
{ | |
$map = \json_decode($request->request->get(self::GRAPHQL_MAP), true); | |
$operations = \json_decode($request->request->get(self::GRAPHQL_OPERATIONS), true); | |
foreach ($map as $fileKey => $locations) { | |
foreach ($locations as $location) { | |
\array_set($operations, $location, $request->file($fileKey)); | |
} | |
} | |
return $operations; | |
} | |
} |
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