Sample code for 30+ languages & platforms
Unicode C++

OneDrive -- Streaming File Upload

See more OneDrive Examples

Uploads a local file by path to the signed-in user's OneDrive. This uses OneDrive's simple upload API to upload in a single API call. Uploading in this way only supports files up to 4MB in size. The 4MB limitation is a OneDrive limitation, not a Chilkat limitation. (See the other example(s) for uploading larger files.)

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkJsonObjectW.h>
#include <CkHttpW.h>
#include <CkHttpRequestW.h>
#include <CkHttpResponseW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;
    http.put_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: This example can upload any type of file.
    // Chilkat automatically adds the Content-Length header.

    CkHttpRequestW req;
    req.put_HttpVerb(L"PUT");
    // Use your actual user-id instead of "4fe732c3-322e-4a6b-b729-2fd1eb5c6104"
    req.put_Path(L"/v1.0/users/4fe732c3-322e-4a6b-b729-2fd1eb5c6104/drive/root:/TestDir/penguins.jpg:/content");
    // Indicate the local file to be streamed in the upload.
    req.StreamBodyFromFile(L"qa_data/jpg/penguins.jpg");
    // If you're uploading a file and don't know what the Content-Type should be,
    // just use "application/octet-stream".  See below for an example..
    req.put_ContentType(L"image/jpeg");

    CkHttpResponseW resp;
    success = http.HttpSReq(L"graph.microsoft.com",443,true,req,resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

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

    if (resp.get_StatusCode() != 201) {

        // Here is an example of an error:

        // 		{
        // 		  "error": {
        // 		    "code": "nameAlreadyExists",
        // 		    "message": "An item with the same name already exists under the parent",
        // 		    "innerError": {
        // 		      "request-id": "22302ba5-b885-4b67-9e20-8f6801aec372",
        // 		      "date": "2017-06-03T14:22:27"
        // 		    }
        // 		  }
        // 		}
        // 
        // 		Response status = 409

        wprintf(L"%s\n",json.emit());
        wprintf(L"Response status = %d\n",resp.get_StatusCode());
        return;
    }

    // Success.  Examine the driveItem JSON object:
    wprintf(L"%s\n",json.emit());
    wprintf(L"-- Success --\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/y4p0MT4NGBshn3EMBjrq8NuU3c_3Bt4DBz0BjZiQPNhiCDj3DjXEHrMr71M6wAGRrvT6WJmPIqNo_lxBP4Uen5MXFVtO3Dz_tdZ531hC_J9fb-eU6CoEmvjonwapmTorJb6hbi6g8VNxBQLItDyVgWM-InmxoNRo0N6xpcAuIbKZccN5vuctIs-Wqxefaza19thlu__bOl8kfG_SkgsrbBzKdTjOS0phBhIi8kYo9wG25k",
    // 	  "createdBy": {
    // 	    "application": {
    // 	      "displayName": "Chilkat",
    // 	      "id": "441c9990"
    // 	    },
    // 	    "user": {
    // 	      "displayName": "Matt Smith",
    // 	      "id": "3a33fceb9b74cc15"
    // 	    }
    // 	  },
    // 	  "createdDateTime": "2017-06-03T14:23:52.153Z",
    // 	  "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjMuMjU3",
    // 	  "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODYzLjA",
    // 	  "id": "3A33FCEB9B74CC15!4863",
    // 	  "lastModifiedBy": {
    // 	    "application": {
    // 	      "displayName": "Chilkat",
    // 	      "id": "441c9990"
    // 	    },
    // 	    "user": {
    // 	      "displayName": "Matt Smith",
    // 	      "id": "3a33fceb9b74cc15"
    // 	    }
    // 	  },
    // 	  "lastModifiedDateTime": "2017-06-03T14:23:52.153Z",
    // 	  "name": "penguins.jpg",
    // 	  "parentReference": {
    // 	    "driveId": "3a33fceb9b74cc15",
    // 	    "id": "3A33FCEB9B74CC15!4862",
    // 	    "name": "someFolder",
    // 	    "path": "/drive/root:/someFolder"
    // 	  },
    // 	  "size": 777835,
    // 	  "webUrl": "https://1drv.ms/i/s!ABXMdJvr_DM6pX8",
    // 	  "file": {
    // 	    "hashes": {
    // 	      "sha1Hash": "DF7BE9DC4F467187783ACA68C7CE98E4DF2172D0"
    // 	    },
    // 	    "mimeType": "image/jpeg",
    // 	    "processingMetadata": true
    // 	  },
    // 	  "fileSystemInfo": {
    // 	    "createdDateTime": "2017-06-03T14:23:52.153Z",
    // 	    "lastModifiedDateTime": "2017-06-03T14:23:52.153Z"
    // 	  }
    // 	}

    // ------------------------------------------------------------------------------------
    // Now let's upload some file where we don't know what the Content-Type should be.
    // 
    // In this case, we're uploading the same JPG file but instead of providing "image/jpeg" for the
    // Content-Type, we provide "application/octet-stream".  ("application/octet-stream" is the general
    // HTTP content-type used for anything unkown.  "octet" is a synonym for "byte".  It's just a way of
    // saying: Here's a stream of bytes that comprise the file.)

    // Also, you'll notice in the successful JSON response (below), that Microsoft automatically
    // detected the Content-Type as "image/jpeg", because the mimeType is set as such.
    // It is likely Microsoft set the MIME type (i.e. Content-Type) based on the file extension, or even better
    // it may have determined the MIME type by examining the initial bytes of the file to find the standard 
    // identifying markers that signify common file types such as PDF, JPG, ZIP, and many more.

    // In a nutshell:  Don't worry about setting the ContentType precisely. If you know it, great.  If not, just
    // use "application/octet-stream".

    req.put_HttpVerb(L"PUT");
    // Use your actual user-id instead of "4fe732c3-322e-4a6b-b729-2fd1eb5c6104"
    req.put_Path(L"/v1.0/users/4fe732c3-322e-4a6b-b729-2fd1eb5c6104/drive/root:/TestDir/penguins2.jpg:/content");
    req.StreamBodyFromFile(L"qa_data/jpg/penguins.jpg");
    req.put_ContentType(L"application/octet-stream");

    success = http.HttpSReq(L"graph.microsoft.com",443,true,req,resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    json.Load(resp.bodyStr());
    if (resp.get_StatusCode() != 201) {
        wprintf(L"%s\n",json.emit());
        wprintf(L"Response status = %d\n",resp.get_StatusCode());
        return;
    }

    // Success.  Examine the driveItem JSON object:
    wprintf(L"%s\n",json.emit());
    wprintf(L"-- Success --\n");

    // 	{
    // 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/root/$entity",
    // 	  "@microsoft.graph.downloadUrl": "https://s5ucmg.dm2301.livefilestore.com/y4pKX-VIcxZfOUa1iYzGo7K4dX8an2xkcL7i-bb1YLE2ralUEPAixycWzekSn6-lUl5ojvZLQzpce45pgX2SIZfHe9l9scGcYu1viPHxKQ67Xh5b6iMhQNwbjbPQdr3ez6DET55DL25f7kS-fnksazALBtHiTLYayEqMc3WokdQYPsCj7AtzyNPzgKh6ye9R0FxM6ZRS5y6ARY23dIWuGkAKE9lKLgC4PPjvgNBBvl7zi8",
    // 	  "createdBy": {
    // 	    "application": {
    // 	      "displayName": "Chilkat",
    // 	      "id": "441c9990"
    // 	    },
    // 	    "user": {
    // 	      "displayName": "Matt Smith",
    // 	      "id": "3a33fceb9b74cc15"
    // 	    }
    // 	  },
    // 	  "createdDateTime": "2017-06-03T14:30:22.017Z",
    // 	  "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjUuMjU3",
    // 	  "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODY1LjA",
    // 	  "id": "3A33FCEB9B74CC15!4865",
    // 	  "lastModifiedBy": {
    // 	    "application": {
    // 	      "displayName": "Chilkat",
    // 	      "id": "441c9990"
    // 	    },
    // 	    "user": {
    // 	      "displayName": "Matt Smith",
    // 	      "id": "3a33fceb9b74cc15"
    // 	    }
    // 	  },
    // 	  "lastModifiedDateTime": "2017-06-03T14:30:22.017Z",
    // 	  "name": "penguins2.jpg",
    // 	  "parentReference": {
    // 	    "driveId": "3a33fceb9b74cc15",
    // 	    "id": "3A33FCEB9B74CC15!4862",
    // 	    "name": "someFolder",
    // 	    "path": "/drive/root:/someFolder"
    // 	  },
    // 	  "size": 777835,
    // 	  "webUrl": "https://1drv.ms/i/s!ABXMdJvr_DM6pgE",
    // 	  "file": {
    // 	    "hashes": {
    // 	      "sha1Hash": "DF7BE9DC4F467187783ACA68C7CE98E4DF2172D0"
    // 	    },
    // 	    "mimeType": "image/jpeg",
    // 	    "processingMetadata": true
    // 	  },
    // 	  "fileSystemInfo": {
    // 	    "createdDateTime": "2017-06-03T14:30:22.016Z",
    // 	    "lastModifiedDateTime": "2017-06-03T14:30:22.016Z"
    // 	  }
    // 	}
    }