private async Task <IEnumerable <Claim> > TryGetPrincipalFromBasicCredentials(
string credentials,
BasicAuthenticationMiddleware.CredentialVlidationFunction validate)
{
string pair;
try
{
pair = Encoding.UTF8.GetString(Convert.FromBase64String(credentials));
}
catch (FormatException)
{
return(null);
}
catch (ArgumentException)
{
return(null);
}
var ix = pair.IndexOf(':');
if (ix == -1)
{
return(null);
}
var username = pair.Substring(0, ix);
var pw = pair.Substring(ix + 1);
return(await validate(username, pw));
}
public BasicAuthenticationOptions(
string realm,
BasicAuthenticationMiddleware.CredentialVlidationFunction validationFunction)
: base("Basic")
{
// Authentication type
this.Realm = realm;
this.CredentialValidationFunction = validationFunction;
}
public static IAppBuilder UseBasicAuthentication(this IAppBuilder appBuilder, string realm, BasicAuthenticationMiddleware.CredentialVlidationFunction validationFunction)
{
var options = new BasicAuthenticationOptions(realm, validationFunction);
return(appBuilder.UseBasicAuthentication(options));
}
