Microsoft Graph Api - upload file and invalidRequest

tymon130 1 Reputation point
2022-09-27T12:04:28.827+00:00

Hi,
I have a problem uploading files to sharepoint using the graph api.
With the token downloaded from https://developer.microsoft.com/en-us/graph/graph-explorer everything works fine. I get a response with a status of 200.
245142-1.png

However, when I want to upload a file with a token received from AD I get an invalid request.
245068-3.png
In the scope of my token there is: "Files.ReadWrite Files.ReadWrite.All Group.Read.All Group.ReadWrite.All GroupMember.Read.All GroupMember.ReadWrite.All openid profile Sites.Read.All Sites.ReadWrite.All User.Read email".

Reading the file list works without any problems

Below is the code on how I generate the token to Graph Api
245126-image.png

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
10,592 questions
SharePoint Development
SharePoint Development
SharePoint: A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.Development: The process of researching, productizing, and refining new or existing technologies.
2,668 questions

2 answers

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  1. Tong Zhang_MSFT 9,116 Reputation points
    2022-09-28T06:50:18.48+00:00

    Hi @tymon130 ,

    According to my research and testing, you can use the following API to generate the access_token to Graph API, and then upload file: 

    https://login.microsoftonline.com/tenant-id/oauth2/token

    245385-01.png

    Then, you can use the access_token , and upload file to SharePoint, here is my test result:

    245414-02.png

    More information for reference: https://dzone.com/articles/getting-access-token-for-microsoft-graph-using-oau

    Hope it can help you. Thanks for your understanding.

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  2. tymon130 1 Reputation point
    2022-10-02T06:34:50.8+00:00

    My case involves uploading files on behalf of a user. The way you have shown is through the application. Unfortunately I don't get such permissions.

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