C# - Create An API For SharePoint?

May 21, 2010

how to implement API over the SharePoint(MOSS) framework.

What i want to do is create a client application to communicate with the SharePoint.
wanting to implement something like following.

Client send post request to API implemented on SharePoint, API receive a request and do the authentication and create a login cookie. Client keep communicating with API(with the login cookie), request necessary information and API returns it.

I could not find anyway to hook a program... Is there anyway to hook a program or implement own authentication mechanism before SharePoint's own authentication is called?

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