c# - AuthenticationTokenReceiveContext can't access token value in Owin.Security / Identity Framework upon token refresh -


in .net project identity framework can't renew tokens, though can generate one. exception follows:

[argumentnullexception: value cannot null. parameter name: token]  microsoft.owin.security.infrastructure.authenticationtokenreceivecontext..ctor(iowincontext context, isecuredataformat`1 securedataformat, string token) +136    microsoft.owin.security.oauth.<invoketokenendpointrefreshtokengrantasync>d__44.movenext() +158    system.runtime.compilerservices.taskawaiter.throwfornonsuccess(task task) +99    system.runtime.compilerservices.taskawaiter.handlenonsuccessanddebuggernotification(task task) +58    system.runtime.compilerservices.taskawaiter.validateend(task task) +25    microsoft.owin.security.oauth.<invoketokenendpointasync>d__1e.movenext() +2159

due exception, debugger won't step token refreshing function:

 public async task receiveasync(authenticationtokenreceivecontext context)         {              var allowedorigin = context.owincontext.get<string>("as:clientallowedorigin");             context.owincontext.response.headers.add("access-control-allow-origin", new[] { allowedorigin });              string hashedtokenid = helper.gethash(context.token);              using (authrepository _repo = new authrepository())             {                 var refreshtoken = await _repo.findrefreshtoken(hashedtokenid);                  if (refreshtoken != null )                 {                     //get protectedticket refreshtoken class                     context.deserializeticket(refreshtoken.protectedticket);                     var result = await _repo.removerefreshtoken(hashedtokenid);                 }             }         }

i'm debugging using postman, , request posted contain proper token, isn't detected in request body, neither in request header.

katana dev team has marked bug: http://katanaproject.codeplex.com/workitem/480 stated no updates coming.

the same codebase runs on remote server: http://ngauthenticationweb.azurewebsites.net/

complete project in can reproduced available at: https://github.com/tjoudeh/angularjsauthentication

how force token context, prevent exception?

could check grant_type , client_id in postman? grant_type should 'password'.

sample: username=abcd&password=abc@123&grant_type=password&client_id=c4b2f91dbe014b558d7fa00ca54ed33d


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