shipping-portal/app/Classes/Modules/WePost/ControllersLogic/ProcessWePostNotificationLogic.php

<?php

namespace App\Classes\Modules\WePost\ControllersLogic;

use App\Classes\General\Abstracts\AbstractControllerLogic;
use App\Classes\Modules\WePost\Services\CreatesWePostNotification;
use App\Classes\Modules\WePost\DataTransferObjects\WePostNotificationObject;
use App\Http\Resources\WePostNotificationResource;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class ProcessWePostNotificationLogic extends AbstractControllerLogic
{
 /**
     * @return array
     */
    protected function notification():array {
        return [
            'title' => 'Process WePost Notification',
            'message' => 'Payload proccessed'
        ];
    }

    /** @var CreatesWePostNotification */
    private $createsWePostNotification;

    /**
     * ProcessWePostNotificationLogic constructor.
     * @param CreatesWePostNotification $createsWePostNotification
     */
    public function __construct(
        CreatesWePostNotification $createsWePostNotification)
    {
        $this->createsWePostNotification = $createsWePostNotification;
    }

    /**
     * @param Request $request
     * @return JsonResponse
     * @throws \App\Classes\Exceptions\AccessForbiddenException
     * @throws \App\Classes\Exceptions\MalformedRequestException
     * @throws \App\Classes\Exceptions\RequestValidationException
     */
    public function logic(Request $request) : JsonResponse
    {
        $request->merge([
            'isApiPub' => true,
        ]);

        $result = null;
        if($this->verifySignature($request)){
            $object = new WePostNotificationObject(
            $request->input('logisticsOrderCode'), $request->input('executeTime'), $request->input('timeZone'),
            $request->input('status'),$request->input('packageInfo'),$request->input('client_id'),
            $request->input('type'),$request->input('timestamp'),$request->input('sign'));
            $result =  $this->createsWePostNotification->execute($object);
        }
        else{
            $request->merge([
                'code' => 1101, //Signature verification failed
            ]);
        }
        // $result = [];
        // $result['logisticsOrderCode'] = $notification->logistics_order_code;
        // return $this->collectionResponse(OrderItemResource::collection($order->orderItems));
        // return $this->resourceResponse(new OrderResource($order));
        //return $this->response(['data' => $result]);

        return $this->resourceResponse(new WePostNotificationResource($result));
    }

    private function verifySignature(Request $request){
        $result = false;
        // public parameters
        $client_id = "1234";
        $type = "wepost.service.conso.inbound";
        $timestamp = 1234; //time();
        $client_secret = 'cief-not-so-secret';

        $params = [
            'client_id' => $client_id,
            'type' => $type,
            'timestamp' => $timestamp
        ];

        // $businessParams = [
        //     'test1' => '1',
        // ];

        ksort($params);
        $str = '';
        foreach ($params as $key => $value) {
            if(is_array($value)) {
                $str .= $key.json_encode($value, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
                continue;
            }
            $str .= $key. $value;
        }
        $str = $client_secret.$str.$client_secret;
        $sign = strtoupper(md5($str));

        if($request->input('sign')){
            $request->merge([
                'code' => 1100, //Signature is empty
            ]);
        }

        if($request->input('sign') == $sign){
            $result = true;
        }
        return $result;
    }
}