public async Task<IHttpActionResult> RegisterExternal(RegisterExternalBindingModel model)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
var verifiedAccessToken = await VerifyExternalAccessToken(model.Provider, model.ExternalAccessToken);
if (verifiedAccessToken == null)
{
return BadRequest("Invalid Provider or External Access Token");
}
IdentityUser user = null;
user = await _repo.FindAsync(new UserLoginInfo(model.Provider, verifiedAccessToken.user_id));
bool hasRegistered = user != null;
if (hasRegistered)
{
return BadRequest("External user is already registered");
}
user = new IdentityUser() { UserName = model.UserName };
IdentityResult result = await _repo.CreateAsync(user);
if (!result.Succeeded)
{
return GetErrorResult(result);
}
var info = new ExternalLoginInfo()
{
DefaultUserName = model.UserName,
Login = new UserLoginInfo(model.Provider, verifiedAccessToken.user_id)
};
result = await _repo.AddLoginAsync(user.Id, info.Login);
if (!result.Succeeded)
{
return GetErrorResult(result);
}
//generate access token response
var accessTokenResponse = GenerateLocalAccessTokenResponse(model.UserName);
return Ok(accessTokenResponse);
}
/// <summary>
/// Creates a new user based on a external access token.
/// </summary>
/// <param name="provider"></param>
/// <param name="verifiedAccessToken"></param>
/// <param name="externalAccessToken"></param>
/// <returns></returns>
private async Task<IHttpActionResult> CreateNewUserFromExternalAccesToken(string provider,
ParsedExternalAccessToken verifiedAccessToken, string externalAccessToken)
{
RegisterExternalBindingModel model = new RegisterExternalBindingModel()
{
UserName = verifiedAccessToken.email, // this is null
Provider = provider,
ExternalAccessToken = externalAccessToken
};
Student student = new Student();
student.username = verifiedAccessToken.email;
student.email = verifiedAccessToken.email;
KompetansetorgetServerContext db = new KompetansetorgetServerContext();
db.students.Add(student);
db.SaveChanges();
return await RegisterExternal(model);
}
