Delphi ActiveX Requires Chilkat v11.0.0+

OneDrive -- Upload a String

See more OneDrive Examples

Uploads a string 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;
someString: WideString;
url: WideString;
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();

//  To upload in a single HTTP request, send a PUT request such as the following:

//  	PUT /v1.0/users/{user_id}/drive/root:/{item-path}:/content
//  	Content-type: text/plain
//  	Content-Length: <the actual content length>
//  
//  	The contents of the file goes here.

//  Note: Chilkat automatically adds the Content-Length header.

//  This example will upload a string that happens to be XML.
someString := '<location><city>Chicago</city><state>IL</state></location>';

//  Upload to /TestDir/location.xml
http.SetUrlVar('dest_path','/TestDir/location.xml');
http.SetUrlVar('user_id','4fe732c3-322e-4a6b-b729-2fd1eb5c6104');
url := 'https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$dest_path}:/content';

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpStr('PUT',url,someString,'utf-8','application/xml',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 resp body for the newly created file.
json.EmitCompact := 0;
resp.GetBodyJson(json.ControlInterface);

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/y4pq2RG4U4D0uXV5Ee9kg_xRz3caBiFdiAe9arIAtryj6INGMv0KYr6E3HufsYkq7Xe_4Wue8mq4t-A_TU8zwKLqI91dH4eNx8XOUdJccqozk8jsLIy8TFkpaCcWuKbUjDPmed_38TbLIOtRofTE3o3Cw32_6b1T_ZTvgmA4erklHjz5f99ZF4P6jTGBfy6AjlK94aupem4AQ5BnWmcvBXVIuUajEyJT4M48SuWklvHtlc",
//    "createdBy": {
//      "application": {
//        "displayName": "Chilkat",
//        "id": "441c9990"
//      },
//      "user": {
//        "displayName": "Matt Smith",
//        "id": "3a33fceb9b74cc15"
//      }
//    },
//    "createdDateTime": "2017-06-03T17:56:38.413Z",
//    "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjYuMjU3",
//    "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODY2LjA",
//    "id": "3A33FCEB9B74CC15!4866",
//    "lastModifiedBy": {
//      "application": {
//        "displayName": "Chilkat",
//        "id": "441c9990"
//      },
//      "user": {
//        "displayName": "Matt Smith",
//        "id": "3a33fceb9b74cc15"
//      }
//    },
//    "lastModifiedDateTime": "2017-06-03T17:56:38.413Z",
//    "name": "location.xml",
//    "parentReference": {
//      "driveId": "3a33fceb9b74cc15",
//      "id": "3A33FCEB9B74CC15!4862",
//      "name": "someFolder",
//      "path": "/drive/root:/someFolder"
//    },
//    "size": 58,
//    "webUrl": "https://1drv.ms/u/s!ABXMdJvr_DM6pgI",
//    "file": {
//      "hashes": {
//        "sha1Hash": "FE95A5A234123C45C03439CB33309991B751D7C9"
//      },
//      "mimeType": "application/xml"
//    },
//    "fileSystemInfo": {
//      "createdDateTime": "2017-06-03T17:56:38.413Z",
//      "lastModifiedDateTime": "2017-06-03T17:56:38.413Z"
//    }
//  }