Xbase++ Requires Chilkat v11.0.0+
OneDrive -- Upload Binary Data from Memory

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.)
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LOCAL nSuccess
LOCAL oJson
LOCAL oHttp
LOCAL oPdfBytes
LOCAL oReq
LOCAL oResp

nSuccess := 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
oJson := CreateObject("Chilkat.JsonObject")
oJson:UpdateString("client_id", "2871da2c-8176-4b7f-869b-2311aa82e743")
oJson:UpdateString("client_secret", "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
oJson:UpdateString("scope", "https://graph.microsoft.com/.default")
oJson:UpdateString("token_endpoint", "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

oHttp := CreateObject("Chilkat.Http")
oHttp:AuthToken := oJson:Emit()

//  First, let's download a PDF from the web directly into memory.  Then upload the PDF
//  to OneDrive.
oPdfBytes := CreateObject("Chilkat.BinData")
nSuccess := oHttp:QuickGetBd("https://www.chilkatsoft.com/data/pdf/sample.pdf", oPdfBytes)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oJson:destroy()
    oHttp:destroy()
    oPdfBytes:destroy()
    RETURN
ENDIF

//  Upload the PDF to our OneDrive to /TestDir/sample.pdf
oReq := CreateObject("Chilkat.HttpRequest")
oReq:HttpVerb := "PUT"

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

oResp := CreateObject("Chilkat.HttpResponse")
nSuccess := oHttp:HttpSReq("graph.microsoft.com", 443, 1, oReq, oResp)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oJson:destroy()
    oHttp:destroy()
    oPdfBytes:destroy()
    oReq:destroy()
    oResp:destroy()
    RETURN
ENDIF

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

IF (oResp:StatusCode != 201)
    ? oJson:Emit()
    ? "Response status = " + Str(oResp:StatusCode)
    oJson:destroy()
    oHttp:destroy()
    oPdfBytes:destroy()
    oReq:destroy()
    oResp:destroy()
    RETURN
ENDIF

//  Success.  Examine the driveItem JSON object:
? oJson:Emit()
? "-- 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"
//    }
//  }

oJson:destroy()
oHttp:destroy()
oPdfBytes:destroy()
oReq:destroy()
oResp:destroy()