Chilkat Online Tools

PowerBuilder / Salesforce Platform APIs / Client Credentials Flow

Back to Collection Items

integer li_rc
oleobject loo_Http
integer li_Success
oleobject loo_Req
oleobject loo_JsonParam2
oleobject loo_JsonParam3
oleobject loo_Resp
oleobject loo_SbResponseBody
oleobject loo_JResp
integer li_RespStatusCode
string ls_Access_token
string ls_Signature
string ls_Scope
string ls_Instance_url
string ls_Id
string ls_Token_type
string ls_Issued_at
string ls_Api_instance_url

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_Req = create oleobject
// Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0
li_rc = loo_Req.ConnectToNewObject("Chilkat.HttpRequest")

loo_Req.AddParam("grant_type","client_credentials")

loo_JsonParam2 = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonParam2.ConnectToNewObject("Chilkat.JsonObject")

loo_Req.AddParam("client_id",loo_JsonParam2.Emit())

loo_JsonParam3 = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonParam3.ConnectToNewObject("Chilkat.JsonObject")

loo_Req.AddParam("client_secret",loo_JsonParam3.Emit())

loo_Resp = loo_Http.PostUrlEncoded("https://login.salesforce.com{{site}}/services/oauth2/token",loo_Req)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Req
    destroy loo_JsonParam2
    destroy loo_JsonParam3
    return
end if

loo_SbResponseBody = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder")

loo_Resp.GetBodySb(loo_SbResponseBody)

loo_JResp = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JResp.ConnectToNewObject("Chilkat.JsonObject")

loo_JResp.LoadSb(loo_SbResponseBody)
loo_JResp.EmitCompact = 0

Write-Debug "Response Body:"
Write-Debug loo_JResp.Emit()

li_RespStatusCode = loo_Resp.StatusCode
Write-Debug "Response Status Code = " + string(li_RespStatusCode)
if li_RespStatusCode >= 400 then
    Write-Debug "Response Header:"
    Write-Debug loo_Resp.Header
    Write-Debug "Failed."
    destroy loo_Resp
    destroy loo_Http
    destroy loo_Req
    destroy loo_JsonParam2
    destroy loo_JsonParam3
    destroy loo_SbResponseBody
    destroy loo_JResp
    return
end if

destroy loo_Resp

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "access_token": "<access_token>",
//   "signature": "<signature>",
//   "scope": "<scope list>",
//   "instance_url": "https://<my_domain>",
//   "id": "https://login.salesforce.com/id/00D.../005...",
//   "token_type": "Bearer",
//   "issued_at": "<timestamp>",
//   "api_instance_url": "https://api.salesforce.com"
// }

// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

ls_Access_token = loo_JResp.StringOf("access_token")
ls_Signature = loo_JResp.StringOf("signature")
ls_Scope = loo_JResp.StringOf("scope")
ls_Instance_url = loo_JResp.StringOf("instance_url")
ls_Id = loo_JResp.StringOf("id")
ls_Token_type = loo_JResp.StringOf("token_type")
ls_Issued_at = loo_JResp.StringOf("issued_at")
ls_Api_instance_url = loo_JResp.StringOf("api_instance_url")


destroy loo_Http
destroy loo_Req
destroy loo_JsonParam2
destroy loo_JsonParam3
destroy loo_SbResponseBody
destroy loo_JResp

Curl Command

curl -X POST
	-H "Content-Type: application/x-www-form-urlencoded"
	--data-urlencode 'grant_type=client_credentials'
	--data-urlencode 'client_id={{clientId}}'
	--data-urlencode 'client_secret={{clientSecret}}'
https://login.salesforce.com{{site}}/services/oauth2/token

Postman Collection Item JSON

{
  "name": "Client Credentials Flow",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "const jsonData = pm.response.json();",
          "",
          "if(!jsonData.error){",
          "    const id = jsonData.id.split('/');",
          "    const context = pm.environment.name ? pm.environment : pm.collectionVariables;",
          "    context.set(\"_accessToken\", jsonData.access_token);",
          "    context.set(\"_endpoint\", jsonData.instance_url);",
          "    context.set(\"_userId\", id.pop());",
          "    context.set(\"_orgId\", id.pop());",
          "}"
        ],
        "type": "text/javascript"
      }
    }
  ],
  "protocolProfileBehavior": {
    "disableCookies": true
  },
  "request": {
    "auth": {
      "type": "noauth"
    },
    "method": "POST",
    "header": [
      {
        "key": "Content-Type",
        "value": "application/x-www-form-urlencoded"
      }
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "grant_type",
          "value": "client_credentials",
          "type": "text"
        },
        {
          "key": "client_id",
          "value": "{{clientId}}",
          "type": "text"
        },
        {
          "key": "client_secret",
          "value": "{{clientSecret}}",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{url}}{{site}}/services/oauth2/token",
      "host": [
        "{{url}}{{site}}"
      ],
      "path": [
        "services",
        "oauth2",
        "token"
      ]
    }
  },
  "response": [
    {
      "name": "Successful Client Credentials Flow",
      "originalRequest": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/x-www-form-urlencoded"
          }
        ],
        "body": {
          "mode": "urlencoded",
          "urlencoded": [
            {
              "key": "grant_type",
              "value": "client_credentials",
              "type": "text"
            },
            {
              "key": "client_id",
              "value": "{{clientId}}",
              "type": "text"
            },
            {
              "key": "client_secret",
              "value": "{{clientSecret}}",
              "type": "text"
            }
          ]
        },
        "url": {
          "raw": "{{url}}{{site}}/services/oauth2/token",
          "host": [
            "{{url}}{{site}}"
          ],
          "path": [
            "services",
            "oauth2",
            "token"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Thu, 16 Nov 2023 15:26:23 GMT"
        },
        {
          "key": "Set-Cookie",
          "value": "CookieConsentPolicy=0:1; path=/; expires=Fri, 15-Nov-2024 15:26:23 GMT; Max-Age=31536000"
        },
        {
          "key": "Set-Cookie",
          "value": "LSKey-c$CookieConsentPolicy=0:1; path=/; expires=Fri, 15-Nov-2024 15:26:23 GMT; Max-Age=31536000"
        },
        {
          "key": "Set-Cookie",
          "value": "BrowserId=gGlhuoSUEe6Srxe0Wza6Uw; domain=.salesforce.com; path=/; expires=Fri, 15-Nov-2024 15:26:23 GMT; Max-Age=31536000"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=63072000; includeSubDomains"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "X-XSS-Protection",
          "value": "1; mode=block"
        },
        {
          "key": "X-Robots-Tag",
          "value": "none"
        },
        {
          "key": "Cache-Control",
          "value": "no-cache,must-revalidate,max-age=0,no-store,private"
        },
        {
          "key": "Expires",
          "value": "Thu, 01 Jan 1970 00:00:00 GMT"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Vary",
          "value": "Accept-Encoding"
        },
        {
          "key": "Content-Encoding",
          "value": "gzip"
        },
        {
          "key": "Transfer-Encoding",
          "value": "chunked"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"access_token\": \"<access_token>\",\n    \"signature\": \"<signature>\",\n    \"scope\": \"<scope list>\",\n    \"instance_url\": \"https://<my_domain>\",\n    \"id\": \"https://login.salesforce.com/id/00D.../005...\",\n    \"token_type\": \"Bearer\",\n    \"issued_at\": \"<timestamp>\",\n    \"api_instance_url\": \"https://api.salesforce.com\"\n}"
    }
  ]
}