This is the multi-page printable view of this section. Click here to print.

Return to the regular view of this page.

Message API reference

Overview

The Queue Service provided by Samsung Cloud Platform can send, receive, and delete messages.
This guide provides an overview of the Queue Service API and how to invoke it.

Queue Service Call Procedure

The Queue Service API URL must be changed according to the operating environment and region. Please check the operating environment and Region information in the table below.

Production Environment	Region	Queue Service URL
For Samsung	kr-west1	https://queueservice.service.kr-west1.s.samsungsdscloud.com
For Samsung	kr-east1	https://queueservice.service.kr-east1.s.samsungsdscloud.com
For Enterprise	kr-west1	https://queueservice.service.kr-west1.e.samsungsdscloud.com
For Enterprise	kr-east1	https://queueservice.service.kr-east1.e.samsungsdscloud.com

Calling the API

AUTH PARAMS

Header Description

Scp-Accesskey      : 삼성 클라우드 플랫폼 포털에서 발급받은 Access Key
Scp-Signature      : 호출 API 요청을 Access Key와 매핑되는 Access Secret Key로 암호화한 서명. HMAC 암호화 알고리즘은 HmacSHA256 사용
Scp-Target         : Queue Service에 요청하는 행위. ScpQS.SendMessage, ScpQS.SendMessageBatch, ScpQS.ReceiveMessage, ScpQS.DeleteMessage, ScpQS.DeleteMessageBatch 중 하나
Scp-Timestamp      : 1970년 1월 1일 00:00:00 협정 세계시(UTC)부터의 경과 시간을 밀리초(Millisecond)로 정의합니다.
Scp-ClientType     : user-api 명시

Create Signature

Generate the string to be signed from the request, encrypt it with the HmacSHA256 algorithm using the Access and Secret keys, and then encode it in Base64.
To call the Sqeue Service via the Messaging API, you must authenticate with the “authentication key” in authentication key mode from a valid allowed IP address.
Use this value as the Scp-Signature.
The generated Signature is valid for 15 minutes.1. - Click the All Services > Application > Queue Service menu. - Go to the Service Home page of the Queue Service.

Signature generation Sample Code (Java)

public static String makeHmacSignature(String method,
                                       String url,
                                       String timestamp,
                                       String accessKey,
                                       String accessSecretKey,
                                       String clientType) {

    String body = method + url + timestamp + accessKey + clientType;

    String encodeBase64Str;

    try {
        byte[] message = body.getBytes("UTF-8");
        byte[] secretKey = accessSecretKey.getBytes("UTF-8");

        Mac mac = Mac.getInstance("HmacSHA256");
        SecretKeySpec secretKeySpec = new SecretKeySpec(secretKey, "HmacSHA256");
        mac.init(secretKeySpec);
        byte[] hmacSha256 = mac.doFinal(message);
        encodeBase64Str = Base64.getEncoder().encodeToString(hmacSha256);
    } catch (Exception e) {
        throw new RuntimeException("Failed to calculate hmac-sha256", e);
    }

    return encodeBase64Str;
}

Signature generation Sample Code (JavaScript)

<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/hmac-sha256.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/components/enc-base64-min.js"></script>
<script type="text/javascript">
function makeSignature() {
    var method = "POST"; // Method
    var url = "{url}"; // url
    var timestamp = Date.now(); // timestamp
    var accessKey = "{accessKey}"; // access key
    var secretKey = "{secretKey}"; // secret key
    var clientType= "user-api"; // client type

    url = encodeURI(url); // 한글, 특수 문자 처리

    var message = method + url + timestamp + accessKey + clientType;

    var hash = CryptoJS.HmacSHA256(message, secretKey);
    return CryptoJS.enc.Base64.stringify(hash);
}
</script>

Example of calling the Queue Service API

Curl

curl -i -X GET
-H "Scp-Accesskey:2sd2gg=2agbdSD26svcD"
-H "Scp-Signature:fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef="
-H "Scp-Timestamp:1605290625682"
-H "Scp-ClientType:user-api"
-H "Scp-Target:ScpQS.SendMessage"
--data '{"MessageBody": "sample message",  "QueueUrl": "https://queueservice.kr-west1.e.samsungsdscloud.com/33ff0000a8a345d78cdf163673f3da11/samplequeue"}'
'https://queueservice.service.kr-west1.e.samsungsdscloud.com'

Python

import requests

url = "https://queueservice.service.kr-west1.e.samsungsdscloud.com"
payload = {
   'MessageBody': 'sample message',
   'QueueUrl': 'https://queueservice.kr-west1.e.samsungsdscloud.com/33ff0000a8a345d78cdf163673f3da11/samplequeue'
}
headers = {
  'Scp-Accesskey': '2sd2gg=2agbdSD26svcD',
  'Scp-Signature': 'fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef=',
  'Scp-Timestamp': '1605290625682',
  'Scp-ClientType': 'user-api',
  'Scp-Target': 'ScpQS.SendMessage'
}

response = requests.request("GET", url, headers=headers, data=payload)

if response.status_code == 200:
    contents = response.text
    return contents
else:
    raise Exception(f"Failed to GET API: {response.status_code}, {response.text}")

Java

String apiUrl = "https://queueservice.service.kr-west1.e.samsungsdscloud.com";
String accessKey = "2sd2gg=2agbdSD26svcD"
String signature = "fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef="
String timestamp = "1605290625682"
String clientType = "user-api"
String scpTarget = "ScpQS.SendMessage"

public static String getAPI(String token, String apiUrl) throws IOException {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpGet getRequest = new HttpGet(apiUrl);
        getRequest.addHeader("Scp-Accesskey", accessKey);
        getRequest.addHeader("Scp-Signature", signature);
        getRequest.addHeader("Scp-Timestamp", timestamp);
        getRequest.addHeader("Scp-ClientType", clientType);
        getRequest.addHeader("Scp-Target", scpTarget);

        HttpResponse response = httpClient.execute(getRequest);
        int statusCode = response.getStatusLine().getStatusCode();

        if (statusCode == 200) {
            String responseBody = EntityUtils.toString(response.getEntity());
            httpClient.close();
            return responseBody;
        } else {
            String responseBody = EntityUtils.toString(response.getEntity());
            httpClient.close();
            throw new RuntimeException("Failed to Request: " + statusCode + ", " + responseBody);
        }
    }

Queue Service API

SendMessage

POST https://queueservice.service.kr-west1.e.samsungsdscloud.com

Description

Send message

Parameters

Field name	Required or not	type	Explanation
MessageAttributes	false	MessageAttribute
MessageBody	true	string
MessageDeduplicationId	false	string	FIFO Queue
MessageGroupId	false	string	FIFO Queue
QueueUrl	true	string

MessageAttribute

Field name	Whether required	type
BinaryValue	false	string
DataType	false	string
StringValue	false	string

Responses

HTTP Code	Description	Schema
200	Created
400	Bad Request
403	Forbidden

Example HTTP request

Request Header

"Scp-Accesskey:2sd2gg=2agbdSD26svcD",
"Scp-Signature:fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef=",
"Scp-Timestamp:1605290625682",
"Scp-ClientType:user-api",
"Scp-Target:ScpQS.SendMessage"

Request Body

{
  "QueueUrl": "https://queueservice.kr-west1.e.samsungsdscloud.com/123e54b7303749f38ca59a5c6d419a75/test",
  "MessageBody": "Hello SQS!",
  "MessageAttributes": {
    "Special": {
      "DataType": "string",
      "StingValue": "testBodyString12345678910!/wow$#@!"
    }
  }
}

Example HTTP response

200 Response

{
  "MD5OfMessageAttributes": "139818cac45117a07428826a8c533c01",
  "MD5OfMessageBody": "098f6bcd4621d373cade4e832627b4f6",
  "MessageId": "14b37b86-8117-484a-aea4-1eae3b98d5d0",
  "SequenceNumber": "11764568839"
}

SendMessageBatch

POST https://queueservice.service.kr-west1.e.samsungsdscloud.com

Description

Mass message sending

Parameters

Field name	Required or not	type	Explanation
Entries	true	array of SendMessageBatchRequestEntry
QueueUrl	true	string

SendMessageBatchRequestEntry

Field name	Required or not	type	Explanation
Id	true	string
MessageAttributes	false	MessageAttribute
MessageBody	true	string
MessageDeduplicationId	false	string	FIFO Queue
MessageGroupId	false	string	FIFO Queue

Responses

HTTP Code	Description	Schema
200	Created
400	Bad Request
403	Forbidden

Example HTTP request

Request Header

"Scp-Accesskey:2sd2gg=2agbdSD26svcD",
"Scp-Signature:fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef=",
"Scp-Timestamp:1605290625682",
"Scp-ClientType:user-api",
"Scp-Target:ScpQS.SendMessageBatch"

Request Body

{
   "QueueUrl": "https://queueservice.kr-west1.dev3.samsungsdscloud.com/123e54b7303749f38ca59a5c6d419a75/test",
   "Entries": [
      {
         "Id": "1",
         "MessageBody": "test-body-1"
      },
      {
         "Id": "2",
         "MessageBody": "test-body-2"
      }
   ]
}

Example HTTP response

200 Response

{
   "Failed": [],
   "Successful": [
      {
         "Id": "2",
         "MD5OfMessageAttributes": "d41d8cd98f00b204e9800998ecf8427e",
         "MD5OfMessageBody": "82ddf04637119b9a77e9b44095f5ba11",
         "MessageId": "68aa4629-bfbc-4bb0-898b-52db94438526",
         "SequenceNumber": "31764583416"
      },
      {
         "Id": "1",
         "MD5OfMessageAttributes": "d41d8cd98f00b204e9800998ecf8427e",
         "MD5OfMessageBody": "8344ca2f91203b151e4d0aafc9248a8b",
         "MessageId": "3523740f-9e7c-429e-8514-5ec21b1d3cd8",
         "SequenceNumber": "41764583416"
      }
   ]
}

ReceiveMessage

POST https://queueservice.service.kr-west1.e.samsungsdscloud.com

Description

Message reception

Parameters

Field name	Required status	type
MaxNumberOfMessages	false	string
MessageAttributeNames	false	array of string
MessageSystemAttributeNames	false	array of string
QueueUrl	true	string
WaitTimeSeconds	false	string

Responses

HTTP Code	Description	Schema
200	Created
400	Bad Request
403	Forbidden

Example HTTP request

Request Header

"Scp-Accesskey:2sd2gg=2agbdSD26svcD",
"Scp-Signature:fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef=",
"Scp-Timestamp:1605290625682",
"Scp-ClientType:user-api",
"Scp-Target:ScpQS.ReceiveMessage"

Request Body

{
   "QueueUrl": "https://queueservice.kr-west1.dev3.samsungsdscloud.com/123e54b7303749f38ca59a5c6d419a75/test",
   "MaxNumberOfMessages": "2"
}

Example HTTP response

200 Response

{
   "messages": [
      {
         "MessageId": "14b37b86-8117-484a-aea4-1eae3b98d5d0",
         "Body": "sample-body-1",
         "Attributes": {},
         "MessageAttributes": {
            "Special": {
               "DataType": "string",
               "StingValue": "testBodyString12345678910!/wow$#@!"
            }
         },
         "MD5OfBody": "098f6bcd4621d373cade4e832627b4f6",
         "MD5OfMessageAttributes": "139818cac45117a07428826a8c533c01",
         "ReceiptHandle": "400tf1nY4HbXEP7UX4OtxPVIPlq9vw1eeKDFwNMeNiEuZvMSbvdPCBOF/P96FUF9XT7TALMzP91ViCxQjnOIyBWw+fr4EhihdJ0Z2QHau1LMHbxD+GngcM2Pv6d5HM4KCmBgB2GxFA5qpUFBPPI="
      },
      {
         "MessageId": "aee85517-1437-4877-8de8-00eee69e11dc",
         "Body": "sample-body-2",
         "Attributes": {},
         "MD5OfBody": "ad0234829205b9033196ba818f7a872b",
         "MD5OfMessageAttributes": "139818cac45117a07428826a8c533c01",
         "ReceiptHandle": "400tf1nY4HbXEP7UX4OtxPVIPlq9vw1eeKDFwNMeNiEuZvMSbvdPCBPVrfhxFxZ0XD7aBbEzP91Vi3pQ13KMxBWxrP74REyhKcgd2VLauFLMHbxD+GngcM2Pv6d5HCzyqhEoB9DHI5NmOhgaOJ4="
      }
   ]
}

DeleteMessage

POST https://queueservice.service.kr-west1.e.samsungsdscloud.com

Description

Delete message

Parameters

Field name	Whether required	type	Explanation
QueueUrl	true	string
ReceiptHandle	true	string

Responses

HTTP Code	Description	Schema
200	Created
400	Bad Request
403	Forbidden

Example HTTP request

Request Header

"Scp-Accesskey:2sd2gg=2agbdSD26svcD",
"Scp-Signature:fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef=",
"Scp-Timestamp:1605290625682",
"Scp-ClientType:user-api",
"Scp-Target:ScpQS.DeleteMessage"

Request Body

{
   "QueueUrl": "https://queueservice.kr-west1.dev3.samsungsdscloud.com/123e54b7303749f38ca59a5c6d419a75/test",
   "ReceiptHandle": "400tf1nY4HbXEP7UX4OtxPVIPlq9vw1eeKDFwNMeNiEuZvMSbvdPCBPVrfhxFxZ0XD7aBbEzP91Vi3pQ13KMxBWxrP74REyhKcgd2VLauFLMHbxD+GngcM2Pv6d5HCzyqhEoB9DHI5NmOhgaOJ4="
}

Example HTTP response

200 Response

DeleteMessageBatch

POST https://queueservice.service.kr-west1.e.samsungsdscloud.com

Description

Bulk message deletion

Parameters

Field name	Whether required	type	Explanation
Entries	true	array of DeleteMessageBatchRequestEntry
QueueUrl	true	string

DeleteMessageBatchRequestEntry

Field name	Whether required	type	Explanation
Id	true	string
ReceiptHandle	true	string

Responses

HTTP Code	Description	Schema
200	Created
400	Bad Request
403	Forbidden

Example HTTP request

Request Header

"Scp-Accesskey:2sd2gg=2agbdSD26svcD",
"Scp-Signature:fsfsdf235f9U35sdgf35Xsf/qgsdgsdg326=sfsdr23rsef=",
"Scp-Timestamp:1605290625682",
"Scp-ClientType:user-api",
"Scp-Target:ScpQS.DeleteMessageBatch"

Request Body

{
   "QueueUrl": "https://queueservice.kr-west1.dev3.samsungsdscloud.com/123e54b7303749f38ca59a5c6d419a75/test",
   "Entries": [
      {
         "Id": "1",
         "ReceiptHandle": "400tf1nY4HbXEP7UX4OtxPVIPlq9vw1eeKDFwNMeNiEuZvMSbvdPCBOF/P96FUF9XT7TALMzP91ViCxQjnOIyBWw+fr4EhihdJ0Z2QHau1LMHbxD+GngcMyJvqN5F17gym/YF4JoroeBXMSvIG0="
      },
      {
         "Id": "2",
         "ReceiptHandle": "400tf1nY4HbXEP7UX4OtxPVIPlq9vw1eeKDFwNMeNiEuZvMSbvdPCBOC8PwoFhV3Uj6JV+BnP90P3n1Q1y/RnhW0rv//GE6sf8EZjwfauVLMHbxD+GngcMyJvqN5F1Hs5T3vAZxgIV20IPdscTQ="
      }
   ]
}

Example HTTP response

200 Response

{
   "Failed": [],
   "Successful": [
      {
         "Id": "1"
      },
      {
         "Id": "2"
      }
   ]
}