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I need to call Graph API without user interaction.
Users access to a Angular website through ADFS and the backend is served by .Net Core WebApi.
Users ask the server to upload/download a file and the server must "self login" to Graph and do the operations.
I can't find a tutorial for this.
Can someone help me?
II doubt that you are going to find any tutorial concerning this. I don't see why the WebAPI cannot login with required credentials and use the application.
You should be able to find WebAPI file upload/download examples.
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if the webapi need to access GraphApi without a passed user token. then the webapi needs to call azure ad to get an access token. see: