Sharepoint - App Only Authentication

Question

Hey, guys. I'm making a code to get a pptx file from Sharepoint. I'm using app-only, I gave the api rights but nothing works. Has anyone dealt with this?

Answer 1

Hi @Larissa Lima,

Per my test, I can access my site by following code

string siteUrl = "https://contoso.sharepoint.com/sites/demo";
using (var cc = new AuthenticationManager().GetACSAppOnlyContext(siteUrl, "[Your Client ID]", "[Your Client Secret]"))
{
    cc.Load(cc.Web, p => p.Title);
    cc.ExecuteQuery();
    Console.WriteLine(cc.Web.Title);
};

Here is the test result

To grant permissions, I used the followig xml and get the full control of the site

<AppPermissionRequests AllowAppOnlyPolicy="true">
  <AppPermissionRequest Scope="http://sharepoint/content/sitecollection" Right="FullControl" />
</AppPermissionRequests>

Here is the document for more details

https://learn.microsoft.com/en-us/sharepoint/dev/solution-guidance/security-apponly-azureacs

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