public static BasicAuthenticationCredential Extract(string header)
{
if (string.IsNullOrEmpty(header)) throw new ArgumentNullException(nameof(header));
var credential = new BasicAuthenticationCredential
{
Header = header
};
string pair;
try
{
pair = Encoding.UTF8.GetString(
Convert.FromBase64String(header.Substring("Basic ".Length)));
}
catch (FormatException ex)
{
throw new MalformedCredentialException(credential, ex);
}
catch (ArgumentException ex)
{
throw new MalformedCredentialException(credential, ex);
}
var ix = pair.IndexOf(':');
if (ix == -1)
{
throw new MalformedCredentialException(credential);
}
credential.Id = pair.Substring(0, ix);
credential.Secret = pair.Substring(ix + 1);
return credential;
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
string[] authHeader;
if (Request.Headers.TryGetValue("Authorization", out authHeader) &&
authHeader.Any() &&
authHeader.First().StartsWith("Basic "))
{
try
{
var credential = BasicAuthenticationCredential.Extract(authHeader.FirstOrDefault());
var credentialReceicedNotification = new CredentialReceivedNotification <BasicAuthenticationOptions>(Context, Options)
{
Credential = credential,
AuthenticationTicket = new AuthenticationTicket(new AuthenticationProperties(), Options.AuthenticationScheme)
};
await Options.Notifications.CredentialReceived(credentialReceicedNotification);
return(credentialReceicedNotification.AuthenticationTicket);
}
catch (Exception ex)
{
var authenticationFailedNotification =
new AuthenticationFailedNotification <HttpContext, BasicAuthenticationOptions>(Context, Options)
{
ProtocolMessage = Context,
Exception = ex
};
await Options.Notifications.AuthenticationFailed(authenticationFailedNotification);
if (authenticationFailedNotification.HandledResponse)
{
return(authenticationFailedNotification.AuthenticationTicket);
}
if (authenticationFailedNotification.Skipped)
{
return(null);
}
throw;
}
}
else
{
return(null);
}
}
public static BasicAuthenticationCredential Extract(string header)
{
if (string.IsNullOrEmpty(header))
{
throw new ArgumentNullException(nameof(header));
}
var credential = new BasicAuthenticationCredential
{
Header = header
};
string pair;
try
{
pair = Encoding.UTF8.GetString(
Convert.FromBase64String(header.Substring("Basic ".Length)));
}
catch (FormatException ex)
{
throw new MalformedCredentialException(credential, ex);
}
catch (ArgumentException ex)
{
throw new MalformedCredentialException(credential, ex);
}
var ix = pair.IndexOf(':');
if (ix == -1)
{
throw new MalformedCredentialException(credential);
}
credential.Id = pair.Substring(0, ix);
credential.Secret = pair.Substring(ix + 1);
return(credential);
}
public MalformedCredentialException(BasicAuthenticationCredential credential, Exception inner) : base("Malformed credential", inner) { _credential = credential; }
public MalformedCredentialException(BasicAuthenticationCredential credential, Exception inner) : base("Malformed credential", inner)
{
_credential = credential;
}
