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delphiAx / ForgeRock Identity Cloud Collection / Step 2: Introspect the Access Token

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var
http: TChilkatHttp;
success: Integer;
req: TChilkatHttpRequest;
jsonParam1: TChilkatJsonObject;
jsonParam2: TChilkatJsonObject;
jsonParam3: TChilkatJsonObject;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
active: Integer;
scope: WideString;
realm: WideString;
client_id: WideString;
user_id: WideString;
token_type: WideString;
exp: Integer;
v_sub: WideString;
iss: WideString;
authGrantId: WideString;
auditTrackingId: WideString;
expires_in: Integer;

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

http := TChilkatHttp.Create(Self);

req := TChilkatHttpRequest.Create(Self);

jsonParam1 := TChilkatJsonObject.Create(Self);
req.AddParam('token',jsonParam1.Emit());

jsonParam2 := TChilkatJsonObject.Create(Self);
req.AddParam('client_id',jsonParam2.Emit());

jsonParam3 := TChilkatJsonObject.Create(Self);
req.AddParam('client_secret',jsonParam3.Emit());

req.AddHeader('Authorization','Bearer <access_token>');

resp := http.PostUrlEncoded('https://<tenant-name>.forgeblocks.com/am/oauth2/realms/root/realms/alpha/introspect',req.ControlInterface);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

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

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

    Exit;
  end;

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

// {
//   "active": true,
//   "scope": "print",
//   "realm": "/",
//   "client_id": "forgerockDemoConfidentialClient",
//   "user_id": "forgerockDemoConfidentialClient",
//   "token_type": "Bearer",
//   "exp": 1597324633,
//   "sub": "forgerockDemoConfidentialClient",
//   "iss": "http://openam.example.com:8080/openam/oauth2",
//   "authGrantId": "5tq7oSZ62txPaK80X3Mdex4zzew",
//   "auditTrackingId": "037f02f9-d821-4f72-8563-c5050c40fdc3-52181",
//   "expires_in": 3600
// }

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

active := jResp.BoolOf('active');
scope := jResp.StringOf('scope');
realm := jResp.StringOf('realm');
client_id := jResp.StringOf('client_id');
user_id := jResp.StringOf('user_id');
token_type := jResp.StringOf('token_type');
exp := jResp.IntOf('exp');
v_sub := jResp.StringOf('sub');
iss := jResp.StringOf('iss');
authGrantId := jResp.StringOf('authGrantId');
auditTrackingId := jResp.StringOf('auditTrackingId');
expires_in := jResp.IntOf('expires_in');

Curl Command

curl -X POST
	-H "Authorization: Bearer <access_token>"
	--data-urlencode 'token={{access_token}}'
	--data-urlencode 'client_id={{postmanConfidentialClientId}}'
	--data-urlencode 'client_secret={{postmanClientSecret}}'
https://<tenant-name>.forgeblocks.com/am/oauth2/realms/root/realms/alpha/introspect

Postman Collection Item JSON

{
  "name": "Step 2: Introspect the Access Token ",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "// Tests",
          "",
          "const jsonData = JSON.parse(responseBody);",
          "",
          "pm.test(\"Status code is 200\", () => {",
          "  pm.expect(pm.response.code).to.eql(200);",
          "});",
          "",
          "pm.test(\"Response contains correct `client_id`.\", function () {",
          "    pm.expect(jsonData.client_id).to.eql(pm.collectionVariables.get(\"postmanConfidentialClientId\"));",
          "});",
          "",
          "",
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "method": "POST",
    "header": [
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "token",
          "value": "{{access_token}}",
          "description": "Access token you want to introspect.",
          "type": "text"
        },
        {
          "key": "client_id",
          "value": "{{postmanConfidentialClientId}}",
          "description": "The ID of the Confidential OAuth Client.",
          "type": "text"
        },
        {
          "key": "client_secret",
          "value": "{{postmanClientSecret}}",
          "description": "The secret of the Confidential OAuth Client.",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{amUrl}}/oauth2{{realm}}/introspect",
      "host": [
        "{{amUrl}}"
      ],
      "path": [
        "oauth2{{realm}}",
        "introspect"
      ]
    },
    "description": "Retrieve metadata about the active access token, such as, approved scopes, the user that authorized the token, and the expiry time."
  },
  "response": [
    {
      "name": "Example",
      "originalRequest": {
        "method": "POST",
        "header": [
        ],
        "body": {
          "mode": "urlencoded",
          "urlencoded": [
            {
              "key": "token",
              "value": "{{access_token}}",
              "description": "Access token you want to introspect.",
              "type": "text"
            },
            {
              "key": "client_id",
              "value": "{{postmanConfidentialClientId}}",
              "description": "The ID of the Confidential OAuth Client.",
              "type": "text"
            },
            {
              "key": "client_secret",
              "value": "{{postmanClientSecret}}",
              "description": "The secret of the Confidential OAuth Client.",
              "type": "text"
            }
          ]
        },
        "url": {
          "raw": "{{amUrl}}/oauth2{{realm}}/introspect",
          "host": [
            "{{amUrl}}"
          ],
          "path": [
            "oauth2{{realm}}",
            "introspect"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "X-Frame-Options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Content-Length",
          "value": "390"
        },
        {
          "key": "Date",
          "value": "Thu, 13 Aug 2020 12:17:22 GMT"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"active\": true,\n    \"scope\": \"print\",\n    \"realm\": \"/\",\n    \"client_id\": \"forgerockDemoConfidentialClient\",\n    \"user_id\": \"forgerockDemoConfidentialClient\",\n    \"token_type\": \"Bearer\",\n    \"exp\": 1597324633,\n    \"sub\": \"forgerockDemoConfidentialClient\",\n    \"iss\": \"http://openam.example.com:8080/openam/oauth2\",\n    \"authGrantId\": \"5tq7oSZ62txPaK80X3Mdex4zzew\",\n    \"auditTrackingId\": \"037f02f9-d821-4f72-8563-c5050c40fdc3-52181\",\n    \"expires_in\": 3600\n}"
    }
  ]
}