43 lines
1.2 KiB
PHP
43 lines
1.2 KiB
PHP
<?php
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namespace App\Http\Middleware;
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use App\Enums\ApiError;
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use App\Exceptions\Api\v2\ApiErrorException;
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use App\Lib\Helper;
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use Closure;
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use Illuminate\Http\Request;
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/**
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* Check Http Header Timestamp with request timestamp
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* to prevent replay attacks
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* https://restfulapi.net/security-essentials/
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*/
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class ApiCheckTimeStamps
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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 \Illuminate\Http\Request $request
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* @param \Closure $next
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* @return mixed
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*/
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public function handle(Request $request, Closure $next)
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{
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if (Helper::isRequestForApiV2($request)) {
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$badRequest = new ApiErrorException(ApiError::wrongTimeStamp(), 400);
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if (!$request->hasHeader('X-API-TIMESTAMP') or !is_numeric($request->header('X-API-TIMESTAMP'))) {
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throw $badRequest;
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}
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if (!$request->timestamp or !is_numeric($request->timestamp)) {
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throw $badRequest;
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}
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$diff = intval($request->timestamp) - intval($request->header('X-API-TIMESTAMP'));
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$maxDiff = 120;
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if (abs($diff) > $maxDiff) {
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throw $badRequest;
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}
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}
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return $next($request);
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}
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}
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