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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(217.60000000000002, 3%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Hello everyone, I am trying to develop a custom API (.Net 5) hosted on Azure or on a local IIS. this API's main duty is to get SharePoint online site clientcontext (csom) and to retrieve or manage some data in SP online. I have walked through the steps using-csom-for-dotnet-standard and I am not able to get the ClientContext. Anyway, what I need here is to access SharePoint online clientContext using client id and secret and not using a username/password because we have MFA.
any suggestion on how to give this custom API access on SharePoint online APIs using Client ID and Client Secret (or certificate)?
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i've tried also to follow this article csom-net-standard-version-apis and this as well using-net-standard-csom-and-msalnet-for.htmlbut i am getting always 401 unauthorized
@trevorseward any suggestions? thanks in advance
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(140.8, 75%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMZ%3C/text%3E%3C/svg%3E)
Using above method we are able to get wesite details but unable to retrieve list item. The item count is returning 0.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 82%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
@ZhengyuGuo
any example on how to connect to SharePoint online site in ajax from different domains using CID/Secret and bypass the CORS error?
Sorry, I don't have multiple domain so I have less experience to handle Cross Domain.