Copy pdf file from Salesforce case to SharePoint Online Document Library

Question

Hi all,

Good day. I need to copy the pdf file from Salesforce case to SharePoint Online Document Library. We have setup a service account to access the SharePoint Online. We are planning to use basic authentication and create a pdf file into SPO library using Graph API. Can anyone help me for authentication and create a pdf file into SPO using Graph API ?

Thank-you,

Gokul.

Answer 1

Hi @gokulnath palani,

This Microsoft Learn module demonstrates how to upload both small and large files to SharePoint Online using Microsoft Graph.

Access Files with Microsoft Graph

The code to upload a small file is relatively simple.

var fileName = "smallfile.txt";  
var filePath = Path.Combine(System.IO.Directory.GetCurrentDirectory(), fileName);  
Console.WriteLine("Uploading file: " + fileName);  
  
FileStream fileStream = new FileStream(filePath, FileMode.Open);  
var uploadedFile = client.Me.Drive.Root  
                              .ItemWithPath("smallfile.txt")  
                              .Content  
                              .Request()  
                              .PutAsync<DriveItem>(fileStream)  
                              .Result;  
Console.WriteLine("File uploaded to: " + uploadedFile.WebUrl);  

The code to upload a larger file requires chunking.

var fileName = "largefile.zip";  
var filePath = Path.Combine(System.IO.Directory.GetCurrentDirectory(), fileName);  
Console.WriteLine("Uploading file: " + fileName);  
  
// load resource as a stream  
using (Stream stream = new FileStream(filePath, FileMode.Open))  
{  
    var uploadSession = client.Me.Drive.Root  
                                    .ItemWithPath(fileName)  
                                    .CreateUploadSession()  
                                    .Request()  
                                    .PostAsync()  
                                    .Result;  
  
    // create upload task  
    var maxChunkSize = 320 * 1024;  
    var largeUploadTask = new LargeFileUploadTask<DriveItem>(uploadSession, stream, maxChunkSize);  
  
    // create progress implementation  
    IProgress<long> uploadProgress = new Progress<long>(uploadBytes =>  
    {  
        Console.WriteLine($"Uploaded {uploadBytes} bytes of {stream.Length} bytes");  
    });  
  
    // upload file  
    UploadResult<DriveItem> uploadResult = largeUploadTask.UploadAsync(uploadProgress).Result;  
    if (uploadResult.UploadSucceeded)  
    {  
        Console.WriteLine("File uploaded to user's OneDrive root folder.");  
    }  
}  

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Answer 2

Hi @RaytheonXie_MSFT ,

Thank you for your response. I am not looking for PowerShell script. I am looking for Graph API like below '**https://graph.microsoft.com/v1.0/drives/{{DriveID}}/root:/BC.png:/content.**' Here how to pass the file content in request body ?

Thank-you,