Delphi ActiveX 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.) Delphi ActiveX

var
success: Integer;
json: TChilkatJsonObject;
http: TChilkatHttp;
pdfBytes: TChilkatBinData;
req: TChilkatHttpRequest;
resp: TChilkatHttpResponse;

begin
success := 0;

//  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
json := TChilkatJsonObject.Create(Self);
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');

http := TChilkatHttp.Create(Self);
http.AuthToken := json.Emit();

//  First, let's download a PDF from the web directly into memory.  Then upload the PDF
//  to OneDrive.
pdfBytes := TChilkatBinData.Create(Self);
success := http.QuickGetBd('https://www.chilkatsoft.com/data/pdf/sample.pdf',pdfBytes.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

//  Upload the PDF to our OneDrive to /TestDir/sample.pdf
req := TChilkatHttpRequest.Create(Self);
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.ControlInterface);
//  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';

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpSReq('graph.microsoft.com',443,1,req.ControlInterface,resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

//  If successful, a 201 status code is returned, with the driveItem object in the response body for the newly created file.
json.EmitCompact := 0;
json.Load(resp.BodyStr);

if (resp.StatusCode <> 201) then
  begin
    Memo1.Lines.Add(json.Emit());
    Memo1.Lines.Add('Response status = ' + IntToStr(resp.StatusCode));
    Exit;
  end;

//  Success.  Examine the driveItem JSON object:
Memo1.Lines.Add(json.Emit());
Memo1.Lines.Add('-- 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"
//    }
//  }