protected override async Task <AuthenticateResult> HandleAuthenticateAsync()
{
string authorizationHeader = Request.Headers["Authorization"];
if (string.IsNullOrEmpty(authorizationHeader))
{
return(AuthenticateResult.NoResult());
}
if (!authorizationHeader.StartsWith(Constants.ECommerceScheme + ' ', StringComparison.OrdinalIgnoreCase))
{
return(AuthenticateResult.NoResult());
}
string credentials = authorizationHeader.Substring(Constants.ECommerceScheme.Length).Trim();
if (string.IsNullOrEmpty(credentials))
{
return(AuthenticateResult.Fail("Credentials not provided"));
}
try
{
var username = credentials.Split(";")[0];
var password = credentials.Split(";")[1];
var validateCredentialsContext = new ValidateCredentialsContext(Context, Scheme, Options)
{
Username = username,
Password = password
};
await Events.ValidateCredentials(validateCredentialsContext, serviceProvider);
if (validateCredentialsContext.Result != null &&
validateCredentialsContext.Result.Succeeded)
{
var ticket = new AuthenticationTicket(validateCredentialsContext.Principal, Scheme.Name);
return(AuthenticateResult.Success(ticket));
}
if (validateCredentialsContext.Result != null &&
validateCredentialsContext.Result.Failure != null)
{
return(AuthenticateResult.Fail(validateCredentialsContext.Result.Failure));
}
return(AuthenticateResult.NoResult());
}
catch (Exception ex)
{
var authenticationFailedContext = new AuthenticationFailedContext(Context, Scheme, Options)
{
Exception = ex
};
await Events.AuthenticationFailed(authenticationFailedContext);
if (authenticationFailedContext.Result != null)
{
return(authenticationFailedContext.Result);
}
throw;
}
}
public virtual Task ValidateCredentials(ValidateCredentialsContext context, IServiceProvider serviceProvider) => OnValidateCredentials(context, serviceProvider);