PHP로 Archive Storage API 인증 토큰 생성하는 방법

    $ncloud_domain_id = "Archive Storage 도메인 ID";
  $ncloud_project_id = "Archive Storage 프로젝트 ID";
  

    $api_server = "https://kr.archive.ncloudstorage.com:5000";
  $api_url = "/v3/auth/tokens";
  

    $http_header = array();
  $http_header[0] = "Content-Type: application/json";
  

    // 전송할 값들을 배열 형태로 저장
  $postvars = [
  	"auth"=> [
  		"identity"=> [
  			"methods"=> [
  				"password"
  			],
  			"password"=> [
  				"user"=> [
  					"name"=> $ncloud_accesskey,
  					"password"=> $ncloud_secretkey,
  					"domain"=> [
  						"id"=> $ncloud_domain_id
  					]
  				]
  			]
  		],
  		"scope"=> [
  			"project"=> [
  				"id"=> $ncloud_project_id
  			]
  		]
  	]
  ];

  // 배열 형태로 저장한 값들을 json 형태로 변환해서 전송
  $json_portvars = json_encode($postvars);
  

    $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $api_server.$api_url);
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);	
  curl_setopt($ch, CURLOPT_POST, TRUE); //POST 방식으로 호출
  curl_setopt($ch, CURLOPT_HTTPHEADER, $http_header);
  curl_setopt($ch, CURLOPT_HEADER, TRUE); //response에 header 값도 수신
  curl_setopt($ch,CURLOPT_POSTFIELDS, $json_portvars);

  $response = curl_exec($ch);
  curl_close($ch);
  

    if ($response)
  {
  	$headers = array();
  	$header_text = substr($response, 0, strpos($response, "\r\n\r\n"));

  	foreach (explode("\r\n", $header_text) as $i => $line) 
  	{
  		if ($i === 0)
  		{
  		   $headers["http_code"] = $line;
  		}
  		else
  		{
  		   list ($key, $value) = explode(": ", $line);
  		   $headers[$key] = $value;
  		}
  	}
	
	// 인증 토큰 확인
  	$x_auth_token = $headers["X-Subject-Token"]; 
  	echo($x_auth_token);

  	//var_dump($headers);
  	//echo("<hr>");
  	//var_dump($response);
  } 
  

  HTTP/1.1 201 Created 
Date: Thu, 11 Nov 2021 07:59:32 GMT 
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips mod_wsgi/3.4 Python/2.7.5 
X-Subject-Token: gAAAAABhjM1lbeTW3Vq......중간 생략 ......txWYsWGrC1siPt8CE0rs_KgNMTQ 
Vary: X-Auth-Token 
x-openstack-request-id: req-1ce......중간 생략 ......a85eb5b 
Content-Length: 1762 
Content-Type: application/json