spring security AuthenticationManager 源码

  • 2022-08-13
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spring security AuthenticationManager 代码

文件路径:/core/src/main/java/org/springframework/security/authentication/AuthenticationManager.java

/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.security.authentication;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;

/**
 * Processes an {@link Authentication} request.
 *
 * @author Ben Alex
 */
public interface AuthenticationManager {

	/**
	 * Attempts to authenticate the passed {@link Authentication} object, returning a
	 * fully populated <code>Authentication</code> object (including granted authorities)
	 * if successful.
	 * <p>
	 * An <code>AuthenticationManager</code> must honour the following contract concerning
	 * exceptions:
	 * <ul>
	 * <li>A {@link DisabledException} must be thrown if an account is disabled and the
	 * <code>AuthenticationManager</code> can test for this state.</li>
	 * <li>A {@link LockedException} must be thrown if an account is locked and the
	 * <code>AuthenticationManager</code> can test for account locking.</li>
	 * <li>A {@link BadCredentialsException} must be thrown if incorrect credentials are
	 * presented. Whilst the above exceptions are optional, an
	 * <code>AuthenticationManager</code> must <B>always</B> test credentials.</li>
	 * </ul>
	 * Exceptions should be tested for and if applicable thrown in the order expressed
	 * above (i.e. if an account is disabled or locked, the authentication request is
	 * immediately rejected and the credentials testing process is not performed). This
	 * prevents credentials being tested against disabled or locked accounts.
	 * @param authentication the authentication request object
	 * @return a fully authenticated object including credentials
	 * @throws AuthenticationException if authentication fails
	 */
	Authentication authenticate(Authentication authentication) throws AuthenticationException;

}

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