Dart Requires Chilkat v11.0.0+

OneDrive -- Upload Binary Data from Memory

See more OneDrive Examples

Demonstrates how to upload binary data directly from memory to the signed-in user's OneDrive. This uses OneDrive's simple upload API to upload in a single API call, which only supports uploads up to 4MB in size. (See the other example(s) for uploading larger files.) 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();

  // First, let's download a PDF from the web directly into memory.  Then upload the PDF
  // to OneDrive.
  final pdfBytes = CkBinData();
  try {
    http.quickGetBd('https://www.chilkatsoft.com/data/pdf/sample.pdf', pdfBytes);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Upload the PDF to our OneDrive to /TestDir/sample.pdf
  final req = CkHttpRequest();
  req.httpVerb = 'PUT';

  // Use your actual user-id instead of "4fe732c3-322e-4a6b-b729-2fd1eb5c6104"
  req.path = '/v1.0/users/4fe732c3-322e-4a6b-b729-2fd1eb5c6104/drive/root:/TestDir/sample.pdf:/content';
  req.loadBodyFromBd(pdfBytes);
  // If you're uploading a file and don't know what the Content-Type should be,
  // just use "application/octet-stream".  
  req.contentType = 'application/pdf';

  final resp = CkHttpResponse();
  try {
    http.httpSReq('graph.microsoft.com', 443, true, req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // If successful, a 201 status code is returned, with the driveItem object in the response body for the newly created file.
  json.emitCompact = false;
  json.load(resp.bodyStr);

  if (resp.statusCode != 201) {
    print(json.emit());
    print('Response status = ${resp.statusCode}');
    return;
  }

  // Success.  Examine the driveItem JSON object:
  print(json.emit());
  print('-- Success --');

  // Here is a sample successful response:

  // {
  //   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/root/$entity",
  //   "@microsoft.graph.downloadUrl": "https://s5ucmg.dm2301.livefilestore.com/y4ppZYP8kjqVleyrDvphxvO8vSRxNRcYn75t5K6gNARH1cDMI3CBH3XvZ7nNHJoKMg7lQo41XLaaYiQDw1EdRg9QNTv_rtDXOnUwaipJfJyTlNXh6WOljIXOm1R2fHDk2tDq_9C9gB-prnN2NxhnXZw08YQyTnpHZXIz1w9xBxqkPn0tzF-aQSldx5e15t93Ftd1AqigReYgpF1gXtIISQs7hk2JRAYhW2d84HxEuqDXdw",
  //   "createdBy": {
  //     "application": {
  //       "displayName": "Chilkat",
  //       "id": "441c9990"
  //     },
  //     "user": {
  //       "displayName": "Matt Smith",
  //       "id": "3a33fceb9b74cc15"
  //     }
  //   },
  //   "createdDateTime": "2017-06-03T18:18:17.7Z",
  //   "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjcuMjU3",
  //   "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODY3LjA",
  //   "id": "3A33FCEB9B74CC15!4867",
  //   "lastModifiedBy": {
  //     "application": {
  //       "displayName": "Chilkat",
  //       "id": "441c9990"
  //     },
  //     "user": {
  //       "displayName": "Matt Smith",
  //       "id": "3a33fceb9b74cc15"
  //     }
  //   },
  //   "lastModifiedDateTime": "2017-06-03T18:18:17.7Z",
  //   "name": "sample.pdf",
  //   "parentReference": {
  //     "driveId": "3a33fceb9b74cc15",
  //     "id": "3A33FCEB9B74CC15!4862",
  //     "name": "someFolder",
  //     "path": "/drive/root:/someFolder"
  //   },
  //   "size": 178399,
  //   "webUrl": "https://1drv.ms/b/s!ABXMdJvr_DM6pgM",
  //   "file": {
  //     "hashes": {
  //       "sha1Hash": "1456955C84C2DAC9DA613DC80E3017533BDC368A"
  //     },
  //     "mimeType": "application/pdf"
  //   },
  //   "fileSystemInfo": {
  //     "createdDateTime": "2017-06-03T18:18:17.7Z",
  //     "lastModifiedDateTime": "2017-06-03T18:18:17.7Z"
  //   }
  // }
}