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Dart

OneDrive -- Download to File

See more OneDrive Examples

Downloads the contents of a DriveItem directly to a file in the local filesystem.

Note: This example requires Chilkat v9.5.0.97 or greater.

Chilkat Dart Downloads

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.

  // This example uses the OAuth client credentials flow.
  // See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

  // Use your client ID, client secret, and tenant ID in the following lines
  final json = CkJsonObject();
  json.updateString('client_id', '2871da2c-8176-4b7f-869b-2311aa82e743');
  json.updateString('client_secret', '2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH');
  json.updateString('scope', 'https://graph.microsoft.com/.default');
  json.updateString('token_endpoint', 'https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token');

  final http = CkHttp();
  http.authToken = json.emit();

  // Download the file.
  http.setUrlVar('item_path', 'Pictures/three_penguins.jpg');
  http.setUrlVar('user_id', '4fe732c3-322e-4a6b-b729-2fd1eb5c6104');
  final url = 'https://graph.microsoft.com/v1.0/users/{\$user_id}/drive/root:/{\$item_path}:/content';
  final localFilePath = 'c:/temp/qa_output/three_penguins.jpg';
  try {
    http.download(url, localFilePath);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('Successfully downloaded a OneDrive file to the local filesystem.');
}