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(MFC) 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.)

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;

    // Use your previously obtained access token here:
    // See the following examples for getting an access token:
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    //    Refresh Access Token (Azure AD v2.0 Endpoint).
    //    Refresh Access Token (Azure AD Endpoint).

    // (Make sure your token was obtained with the Files.ReadWrite scope.)
    http.put_AuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN");

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

    // 	PUT /v1.0/me/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.
    const char *someString = "<location><city>Chicago</city><state>IL</state></location>";
    // Upload to /someFolder/location.xml
    http.SetUrlVar("dest_path","/someFolder/location.xml");
    // If not using "me", then the path part of the URL should be /v1.0/users/{id | userPrincipalName}/...
    const char *url = "https://graph.microsoft.com/v1.0/me/drive/root:{$dest_path}:/content";

    const char *resp = http.putText(url,someString,"utf-8","application/xml",false,false);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // If successful, a 201 status code is returned, with the driveItem object in the resp body for the newly created file.
    CkJsonObject json;
    json.put_EmitCompact(false);
    json.Load(resp);

    if (http.get_LastStatus() != 201) {

        strOut.append(json.emit());
        strOut.append("\r\n");
        strOut.append("Response status = ");
        strOut.appendInt(http.get_LastStatus());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Success.  Examine the driveItem JSON object:
    strOut.append(json.emit());
    strOut.append("\r\n");
    strOut.append("-- Success --");
    strOut.append("\r\n");

    // 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"
    //   }
    // }


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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