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(C# UWP/WinRT) 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.)

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

For more information, see https://docs.microsoft.com/en-us/onedrive/developer/rest-api/api/driveitem_put_content?view=odsp-graph-online

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Chilkat.Http http = new Chilkat.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.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: This example can upload any type of file.
// Chilkat automatically adds the Content-Length header.

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.HttpVerb = "PUT";
// If not using "me", then the path should be /v1.0/users/{id | userPrincipalName}/...
req.Path = "/v1.0/me/drive/root:/someFolder/penguins.jpg:/content";
// Indicate the local file to be streamed in the upload.
req.StreamBodyFromFile("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.ContentType = "image/jpeg";

Chilkat.HttpResponse resp = await http.SynchronousRequestAsync("graph.microsoft.com",443,true,req);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

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

if (resp.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

    Debug.WriteLine(json.Emit());
    Debug.WriteLine("Response status = " + Convert.ToString(resp.StatusCode));

    return;
}

// Success.  Examine the driveItem JSON object:
Debug.WriteLine(json.Emit());
Debug.WriteLine("-- 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/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.HttpVerb = "PUT";
req.Path = "/v1.0/me/drive/root:/someFolder/penguins2.jpg:/content";
req.StreamBodyFromFile("qa_data/jpg/penguins.jpg");
req.ContentType = "application/octet-stream";

resp = await http.SynchronousRequestAsync("graph.microsoft.com",443,true,req);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

json.Load(resp.BodyStr);
if (resp.StatusCode != 201) {
    Debug.WriteLine(json.Emit());
    Debug.WriteLine("Response status = " + Convert.ToString(resp.StatusCode));

    return;
}

// Success.  Examine the driveItem JSON object:
Debug.WriteLine(json.Emit());
Debug.WriteLine("-- Success --");

// 	{
// 	  "@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"
// 	  }
// 	}

 

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