Dart

Microsoft Graph -- List Users

See more Microsoft Graph Examples

Retrieve a list of Microsoft Graph user objects. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // ------------------------------------------------------------------------------------------------------
  // See an easier way to do OAuth2 client credentials:
  // Example using Automatic OAuth2 Client Credentials
  // ------------------------------------------------------------------------------------------------------

  // Get an access token with the required scope using client credentials...
  // See How to Create Microsoft Graph App (in Azure Portal) for Client Credentials Authentication
  final http = CkHttp();
  final req = CkHttpRequest();
  req.addParam('client_secret', 'CLIENT_SECRET');
  req.addParam('client_id', 'CLIENT_ID');
  req.addParam('scope', 'https://graph.microsoft.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);

  // -----------------------------------------------------
  // Use the access token obtained from above.
  // Note: We don't need to re-fetch a new access token every time.  An access token is valid 
  // for some amount of time, typically an hour (3600 seconds)

  // Use your previously obtained access token here:
  http.authToken = json.stringOf('access_token');

  print('access token: ${http.authToken}');

  final sbResponse = CkStringBuilder();

  try {
    http.quickGetSb('https://graph.microsoft.com/v1.0/users', sbResponse);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  json.loadSb(sbResponse);
  json.emitCompact = false;

  print('Status code = ${http.lastStatus}');
  if (http.lastStatus != 200) {
    print(json.emit());
    print('Failed.');
  }

  print(json.emit());

  // Sample output
  // {
  //   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users",
  //   "value": [
  //     {
  //       "@odata.id": "https://graph.microsoft.com/v2/6d8ddd66-68d1-43b0-af5c-e31b4b7dd5cd/directoryObjects/fca490d8-5918-4201-8079-c5dcbeafcdc9/Microsoft.DirectoryServices.User",
  //       "businessPhones": [
  //       ],
  //       "displayName": "Joe Sample",
  //       "givenName": "Joe",
  //       "jobTitle": null,
  //       "mail": null,
  //       "mobilePhone": null,
  //       "officeLocation": null,
  //       "preferredLanguage": null,
  //       "surname": "Sample",
  //       "userPrincipalName": "admin_chilkatsoft.com#EXT#@adminchilkatsoft.onmicrosoft.com",
  //       "id": "fca490d8-5918-4201-8079-c5dcbeafcdc9"
  //     }
  //   ]
  // }

  // Use this online tool to generate parsing code from sample JSON: 
  // Generate Parsing Code from JSON

  var odataId = '';
  var displayName = '';
  var givenName = '';
  var jobTitle = '';
  var mail = '';
  var mobilePhone = '';
  var officeLocation = '';
  var preferredLanguage = '';
  var surname = '';
  var userPrincipalName = '';
  var id = '';
  var j = 0;
  var countJ = 0;

  final odataContext = json.stringOf('"@odata.context"');
  var i = 0;
  final countI = json.sizeOfArray('value');
  while (i < countI) {
    json.i = i;
    odataId = json.stringOf('value[i]."@odata.id"');
    displayName = json.stringOf('value[i].displayName');
    givenName = json.stringOf('value[i].givenName');
    jobTitle = json.stringOf('value[i].jobTitle');
    mail = json.stringOf('value[i].mail');
    mobilePhone = json.stringOf('value[i].mobilePhone');
    officeLocation = json.stringOf('value[i].officeLocation');
    preferredLanguage = json.stringOf('value[i].preferredLanguage');
    surname = json.stringOf('value[i].surname');
    userPrincipalName = json.stringOf('value[i].userPrincipalName');
    id = json.stringOf('value[i].id');
    j = 0;
    countJ = json.sizeOfArray('value[i].businessPhones');
    while (j < countJ) {
      json.j = j;
      j++;
    }

    i++;
  }
}