Dart

Dynamics CRM Oauth2 Client Credentials

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Get an OAuth2 access token for Dynamics CRM using client credentials. Dart

import 'package:chilkat/chilkat.dart';

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

  final http = CkHttp();

  // Pass the client ID/secret using Basic HTTP authentication.
  http.login = 'CLIENT_ID';
  http.password = 'CLIENT_SECRET';
  http.basicAuth = true;

  final req = CkHttpRequest();
  req.addParam('client_secret', 'CLIENT_SECRET');
  req.addParam('client_id', 'CLIENT_ID');
  req.addParam('scope', 'https://yourdynamicsdomain.crm3.dynamics.com/.default');
  req.addParam('grant_type', 'client_credentials');

  // Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
  final url = 'https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token';
  req.httpVerb = 'POST';
  req.contentType = 'application/x-www-form-urlencoded';

  final resp = CkHttpResponse();
  try {
    http.httpReq(url, req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final statusCode = resp.statusCode;
  print('Response status code = $statusCode');

  final json = CkJsonObject();
  json.load(resp.bodyStr);

  json.emitCompact = false;
  print(json.emit());

  if (statusCode == 200) {
    json.writeFile('qa_data/tokens/dynamicsCrmClientCredentialsToken.json');
    print('Success.');
  } else {
    print('Failed.');
  }
}