나이스페이 부분취소 및 취소응답 검증 보강

(cherry picked from commit df0bfff88cdccc93dd6a8315c166e49a9bb03a5a)

adm/shop_admin/orderpartcancel.php

@@ -29,6 +29,7 @@ $od_misu = abs($od['od_misu']);
 ?>
 
 <form name="forderpartcancel" method="post" action="./orderpartcancelupdate.php" onsubmit="return form_check(this);">
+<input type="hidden" name="token" value="<?php echo get_admin_token(); ?>">
 <input type="hidden" name="od_id" value="<?php echo $od_id; ?>">
 
 <div class="new_win">

shop/nicepay/cancel_process.php

@@ -76,9 +76,8 @@ try{
 		$responseCancelAmt = isset($result['CancelAmt']) ? $result['CancelAmt'] : $cancelAmt;
 		$responseSignature = isset($result['Signature']) ? $result['Signature'] : '';
 		$responseSignData = bin2hex(hash('sha256', $responseTid . $mid . $responseCancelAmt . $merchantKey, true));
-		$isCancelSuccess = ($result['ResultCode'] === '2001' || $result['ResultCode'] === '2211');
 
-		if (($isCancelSuccess || $responseSignature) && $responseSignature != $responseSignData) {
+		if ($responseSignature !== '' && $responseSignature != $responseSignData) {
 			$result['ResultCode'] = '9998';
 			$result['ResultMsg'] = '취소 응답 유효성 검증 실패';
 		}