Chilkat Online Tools

unicodeC / Zoho CRM REST APIs / Refresh Access Tokens

Back to Collection Items

#include <C_CkHttpW.h>
#include <C_CkHttpRequestW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    HCkHttpW http;
    BOOL success;
    HCkHttpRequestW req;
    HCkJsonObjectW jsonFormData1;
    HCkJsonObjectW jsonFormData2;
    HCkJsonObjectW jsonFormData3;
    HCkHttpResponseW resp;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttpW_Create();

    req = CkHttpRequestW_Create();
    CkHttpRequestW_putHttpVerb(req,L"POST");
    CkHttpRequestW_putPath(req,L"/oauth/v2/token");
    CkHttpRequestW_putContentType(req,L"multipart/form-data");

    jsonFormData1 = CkJsonObjectW_Create();
    CkHttpRequestW_AddStringForUpload2(req,L"client_id",L"",jsonFormData1,L"utf-8",L"application/json");

    jsonFormData2 = CkJsonObjectW_Create();
    CkHttpRequestW_AddStringForUpload2(req,L"client_secret",L"",jsonFormData2,L"utf-8",L"application/json");

    jsonFormData3 = CkJsonObjectW_Create();
    CkHttpRequestW_AddStringForUpload2(req,L"refresh_token",L"",jsonFormData3,L"utf-8",L"application/json");

    CkHttpRequestW_AddParam(req,L"grant_type",L"{{client-id}}{{client-secret}}{{refresh-token}}refresh_token");

    resp = CkHttpW_SynchronousRequest(http,L"domain.com",443,TRUE,req);
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkJsonObjectW_Dispose(jsonFormData1);
        CkJsonObjectW_Dispose(jsonFormData2);
        CkJsonObjectW_Dispose(jsonFormData3);
        return;
    }

    wprintf(L"%d\n",CkHttpResponseW_getStatusCode(resp));
    wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));
    CkHttpResponseW_Dispose(resp);


    CkHttpW_Dispose(http);
    CkHttpRequestW_Dispose(req);
    CkJsonObjectW_Dispose(jsonFormData1);
    CkJsonObjectW_Dispose(jsonFormData2);
    CkJsonObjectW_Dispose(jsonFormData3);

    }

Curl Command

curl -X POST
	--form 'client_id={{client-id}}'
	--form 'client_secret={{client-id}}{{client-secret}}'
	--form 'refresh_token={{client-id}}{{client-secret}}{{refresh-token}}'
	--form 'grant_type={{client-id}}{{client-secret}}{{refresh-token}}refresh_token'
https://domain.com/oauth/v2/token

Postman Collection Item JSON

{
  "name": "Refresh Access Tokens",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "if (responseCode.code === 200)",
          "{",
          "    var jsonData = JSON.parse(responseBody);",
          "",
          "    pm.environment.set(\"access-token\", jsonData.access_token);",
          "    pm.environment.set(\"expiry-time\", Date.now() + parseInt(jsonData.expires_in));",
          "}"
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "auth": {
      "type": "noauth"
    },
    "method": "POST",
    "header": [
    ],
    "body": {
      "mode": "formdata",
      "formdata": [
        {
          "key": "client_id",
          "value": "{{client-id}}",
          "type": "text"
        },
        {
          "key": "client_secret",
          "value": "{{client-secret}}",
          "type": "text"
        },
        {
          "key": "refresh_token",
          "value": "{{refresh-token}}",
          "type": "text"
        },
        {
          "key": "grant_type",
          "value": "refresh_token",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{accounts-url}}/oauth/v2/token",
      "host": [
        "{{accounts-url}}"
      ],
      "path": [
        "oauth",
        "v2",
        "token"
      ]
    },
    "description": "### Step 4: Refresh Access Tokens\n\nAs obvious as it is, refresh tokens are used to generate new access tokens when the current ones are past the expiry time."
  },
  "response": [
  ]
}