Dart

Okta: Use the Resource Owner Password Flow

See more Okta OAuth/OIDC Examples

Demonstrates how to get an access token using the Resource Owner Password Flow. Dart

import 'package:chilkat/chilkat.dart';

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

  final http = CkHttp();

  // Implements the following CURL command:

  // curl --request POST \
  //   --url https://{yourOktaDomain}/oauth2/default/v1/token \
  //   --header 'accept: application/json' \
  //   --user "client_id:client_secret" \
  //   --header 'content-type: application/x-www-form-urlencoded' \
  //   --data 'grant_type=password&username=myUserEmail&password=myPassword&scope=openid'

  http.login = 'client_id';
  http.password = 'client_secret';

  final req = CkHttpRequest();
  req.httpVerb = 'POST';
  req.path = '/oauth2/default/v1/token';
  req.contentType = 'application/x-www-form-urlencoded';
  req.addParam('grant_type', 'password');
  req.addParam('username', 'myUserEmail');
  req.addParam('password', 'myPassword');
  req.addParam('scope', 'openid');

  req.addHeader('accept', 'application/json');

  final resp = CkHttpResponse();
  try {
    http.httpReq('https://{yourOktaDomain}/oauth2/default/v1/token', req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final sbResponseBody = CkStringBuilder();
  resp.getBodySb(sbResponseBody);
  final jResp = CkJsonObject();
  jResp.loadSb(sbResponseBody);
  jResp.emitCompact = false;

  print('Response Body:');
  print(jResp.emit());

  final respStatusCode = resp.statusCode;
  print('Response Status Code = $respStatusCode');
  if (respStatusCode >= 400) {
    print('Response Header:');
    print(resp.header);
    print('Failed.');
    return;
  }

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

  // {
  //   "access_token": "eyJraWQiOi ... jmiHD7wY9_gQ",
  //   "token_type": "Bearer",
  //   "expires_in": 3600,
  //   "scope": "openid",
  //   "id_token": "eyJraWQiOiJ ... W7KkWiPJnUSMoGw"
  // }

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

  final accessToken = jResp.stringOf('access_token');
  final tokenType = jResp.stringOf('token_type');
  final expiresIn = jResp.intOf('expires_in');
  final scope = jResp.stringOf('scope');
  final idToken = jResp.stringOf('id_token');
}