SharePoint On Premise Authentication

Question

Hi All,

I would like to ask how can I code for SharePoint On Premise Authentication? because I try the get the Calendar RSS from SharePoint On Premise.

Here with my source code.

string key = "iNivDmHLpUXXXXXXXXXXXXj1PVkH";

            var securityKey = new Microsoft
               .IdentityModel.Tokens.SymmetricSecurityKey(Encoding.UTF8.GetBytes(key));

            var credentials = new Microsoft.IdentityModel.Tokens.SigningCredentials
                              (securityKey, SecurityAlgorithms.HmacSha256Signature);

            var header = new JwtHeader(credentials);

            var payload = new JwtPayload
           {


                { "aud", "XChange Subject"},
  { "iss",  Guid.NewGuid().ToString()},
  { "nbf", "USER"},
  { "exp", 1601518113},
  { "nameid", "https://mvponduty.sharepoint.com/XChange_App/"},
  { "actor", "https://mvponduty.sharepoint.com/XChange_App_Api/"},

           };


            var secToken = new JwtSecurityToken(header, payload);
            var handler = new JwtSecurityTokenHandler();

            var tokenString = handler.WriteToken(secToken);


            Console.WriteLine(tokenString);

            GetSharepointEvent(tokenString);
        }

        private void GetSharepointEvent(string tokenString)
        {
            try
            {
                var client = new RestClient("https://XXXX/sites/sg/_layouts/15/listfeed.aspx?List=%7B1F62FC88%2D7821%2D4EDA%2D853C%2D091D3023A99F%7D");
                client.Timeout = -1;
                var request = new RestRequest(Method.GET);
                request.AddHeader("Authorization", "Bearer " + tokenString);
                request.AddHeader("Accept", "application/json;odata=verbose");
                IRestResponse response = client.Execute(request);
                Console.WriteLine(response.Content);

                Label1.Text = response.Content;
            }
            catch(Exception ex)
            {
                Label1.Text = ex.ToString();
            }
        }

Answer 1

You could use this way to call rest api and you could use DefaultCredentials to authenticate.

 HttpWebRequest endpointRequest = (HttpWebRequest)HttpWebRequest.Create("http://sp/_layouts/15/listfeed.aspx?List=%7B42925B98-CBD0-41F8-B0F5-6D4D85B0A21C%7D");  
            endpointRequest.Method = "GET";  
            endpointRequest.Headers.Add("X-FORMS_BASED_AUTH_ACCEPTED", "f");  
            endpointRequest.Credentials = System.Net.CredentialCache.DefaultCredentials;  
            HttpWebResponse endpointResponse = (HttpWebResponse)endpointRequest.GetResponse();  
            try  
            {  
                WebResponse webResponse = endpointRequest.GetResponse();  
                Stream webStream = webResponse.GetResponseStream();  
                StreamReader responseReader = new StreamReader(webStream);  
                string response = responseReader.ReadToEnd();//results  
                responseReader.Close();  
                Console.WriteLine(response);  
                Console.ReadLine();  
            }  
            catch (Exception e)  
            {  
                Console.Out.WriteLine(e.Message); Console.ReadLine();  
            }  

Test result:

---

If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.