org.eclipse.jetty.server.Authentication Maven / Gradle / Ivy
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//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.server;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* The Authentication state of a request.
*
* The Authentication state can be one of several sub-types that
* reflects where the request is in the many different authentication
* cycles. Authentication might not yet be checked or it might be checked
* and failed, checked and deferred or succeeded.
*/
public interface Authentication
{
public static class Failed extends QuietServletException
{
public Failed(String message)
{
super(message);
}
}
/**
* A successful Authentication with User information.
*/
public interface User extends LogoutAuthentication
{
String getAuthMethod();
UserIdentity getUserIdentity();
boolean isUserInRole(UserIdentity.Scope scope, String role);
}
/**
* A wrapped authentication with methods provide the
* wrapped request/response for use by the application
*/
public interface Wrapped extends Authentication
{
HttpServletRequest getHttpServletRequest();
HttpServletResponse getHttpServletResponse();
}
/**
* An authentication that is capable of performing a programmatic login
* operation.
*/
public interface LoginAuthentication extends Authentication
{
/**
* Login with the LOGIN authenticator
*
* @param username the username
* @param password the password
* @param request the request
* @return The new Authentication state
*/
Authentication login(String username, Object password, ServletRequest request);
}
/**
* An authentication that is capable of performing a programmatic
* logout operation.
*/
public interface LogoutAuthentication extends Authentication
{
/**
* Remove any user information that may be present in the request
* such that a call to getUserPrincipal/getRemoteUser will return null.
*
* @param request the request
* @return NoAuthentication if we successfully logged out
*/
Authentication logout(ServletRequest request);
}
/**
* A deferred authentication with methods to progress
* the authentication process.
*/
public interface Deferred extends LoginAuthentication, LogoutAuthentication
{
/**
* Authenticate if possible without sending a challenge.
* This is used to check credentials that have been sent for
* non-mandatory authentication.
*
* @param request the request
* @return The new Authentication state.
*/
Authentication authenticate(ServletRequest request);
/**
* Authenticate and possibly send a challenge.
* This is used to initiate authentication for previously
* non-mandatory authentication.
*
* @param request the request
* @param response the response
* @return The new Authentication state.
*/
Authentication authenticate(ServletRequest request, ServletResponse response);
}
/**
* Authentication Response sent state.
* Responses are sent by authenticators either to issue an
* authentication challenge or on successful authentication in
* order to redirect the user to the original URL.
*/
public interface ResponseSent extends Authentication
{
}
/**
* An Authentication Challenge has been sent.
*/
public interface Challenge extends ResponseSent
{
}
/**
* An Authentication Failure has been sent.
*/
public interface Failure extends ResponseSent
{
}
public interface SendSuccess extends ResponseSent
{
}
/**
* After a logout, the authentication reverts to a state
* where it is possible to programmatically log in again.
*/
public interface NonAuthenticated extends LoginAuthentication
{
}
/**
* Unauthenticated state.
*
* This convenience instance is for non mandatory authentication where credentials
* have been presented and checked, but failed authentication.
*/
public static final Authentication UNAUTHENTICATED =
new Authentication()
{
@Override
public String toString()
{
return "UNAUTHENTICATED";
}
};
/**
* Authentication not checked
*
* This convenience instance us for non mandatory authentication when no
* credentials are present to be checked.
*/
public static final Authentication NOT_CHECKED = new Authentication()
{
@Override
public String toString()
{
return "NOT CHECKED";
}
};
/**
* Authentication challenge sent.
*
* This convenience instance is for when an authentication challenge has been sent.
*/
public static final Authentication SEND_CONTINUE = new Authentication.Challenge()
{
@Override
public String toString()
{
return "CHALLENGE";
}
};
/**
* Authentication failure sent.
*
* This convenience instance is for when an authentication failure has been sent.
*/
public static final Authentication SEND_FAILURE = new Authentication.Failure()
{
@Override
public String toString()
{
return "FAILURE";
}
};
public static final Authentication SEND_SUCCESS = new SendSuccess()
{
@Override
public String toString()
{
return "SEND_SUCCESS";
}
};
}