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delphiDll / Salesforce Platform APIs / Device Flow 1

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var
http: HCkHttp;
success: Boolean;
req: HCkHttpRequest;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
user_code: PWideChar;
device_code: PWideChar;
interval: Integer;
verification_uri: PWideChar;

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

http := CkHttp_Create();

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/services/oauth2/token');
CkHttpRequest_putContentType(req,'multipart/form-data');
CkHttpRequest_AddParam(req,'response_type','device_code');

CkHttpRequest_AddParam(req,'client_id','device_code{{clientId}}');

CkHttpRequest_AddParam(req,'format','device_code{{clientId}}json');

CkHttpRequest_AddParam(req,'scope','device_code{{clientId}}jsonfull refresh_token');

resp := CkHttp_SynchronousRequest(http,'login.salesforce.com{{site}}',443,True,req);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;
CkHttpResponse_Dispose(resp);

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

// {
//   "user_code": "<user_code>",
//   "device_code": "<device_code",
//   "interval": integer,
//   "verification_uri": "https://<my_domain>/setup/connect"
// }

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

user_code := CkJsonObject__stringOf(jResp,'user_code');
device_code := CkJsonObject__stringOf(jResp,'device_code');
interval := CkJsonObject_IntOf(jResp,'interval');
verification_uri := CkJsonObject__stringOf(jResp,'verification_uri');

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

Curl Command

curl -X POST
	--form 'response_type=device_code'
	--form 'client_id=device_code{{clientId}}'
	--form 'format=device_code{{clientId}}json'
	--form 'scope=device_code{{clientId}}jsonfull refresh_token'
https://login.salesforce.com{{site}}/services/oauth2/token

Postman Collection Item JSON

{
  "name": "Device Flow 1",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "const jsonData = pm.response.json();",
          "const context = pm.environment.name ? pm.environment : pm.collectionVariables;",
          "context.set(\"_deviceCode\", jsonData.device_code);",
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "auth": {
      "type": "noauth"
    },
    "method": "POST",
    "header": [
    ],
    "body": {
      "mode": "formdata",
      "formdata": [
        {
          "key": "response_type",
          "value": "device_code",
          "type": "text"
        },
        {
          "key": "client_id",
          "value": "{{clientId}}",
          "type": "text"
        },
        {
          "key": "format",
          "value": "json",
          "type": "text"
        },
        {
          "key": "scope",
          "value": "full refresh_token",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{url}}{{site}}/services/oauth2/token",
      "host": [
        "{{url}}{{site}}"
      ],
      "path": [
        "services",
        "oauth2",
        "token"
      ]
    }
  },
  "response": [
    {
      "name": "Successful Device Flow 1",
      "originalRequest": {
        "method": "POST",
        "header": [
        ],
        "body": {
          "mode": "formdata",
          "formdata": [
            {
              "key": "response_type",
              "value": "device_code",
              "type": "text"
            },
            {
              "key": "client_id",
              "value": "{{clientId}}",
              "type": "text"
            },
            {
              "key": "format",
              "value": "json",
              "type": "text"
            },
            {
              "key": "scope",
              "value": "full refresh_token",
              "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 15:29:39 GMT"
        },
        {
          "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": "X-ReadOnlyMode",
          "value": "false"
        },
        {
          "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    \"user_code\": \"<user_code>\",\n    \"device_code\": \"<device_code\",\n    \"interval\": integer,\n    \"verification_uri\": \"https://<my_domain>/setup/connect\"\n}"
    }
  ]
}