hadoop AuthenticationToken 源码

haddop AuthenticationToken 代码

文件路径：/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/server/AuthenticationToken.java

/**
 * 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
 *
 *   http://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. See accompanying LICENSE file.
 */
package org.apache.hadoop.security.authentication.server;

import org.apache.hadoop.security.authentication.client.AuthenticationException;
import org.apache.hadoop.security.authentication.util.AuthToken;

import java.security.Principal;

import javax.servlet.http.HttpServletRequest;

/**
 * The {@link AuthenticationToken} contains information about an authenticated
 * HTTP client and doubles as the {@link Principal} to be returned by
 * authenticated {@link HttpServletRequest}s
 * <p>
 * The token can be serialized/deserialized to and from a string as it is sent
 * and received in HTTP client responses and requests as a HTTP cookie (this is
 * done by the {@link AuthenticationFilter}).
 */
public class AuthenticationToken extends AuthToken {

  /**
   * Constant that identifies an anonymous request.
   */
  public static final AuthenticationToken ANONYMOUS = new AuthenticationToken();

  private AuthenticationToken() {
    super();
  }

  private AuthenticationToken(AuthToken token) {
    super(token.getUserName(), token.getName(), token.getType());
    setMaxInactives(token.getMaxInactives());
    setExpires(token.getExpires());
  }

  /**
   * Creates an authentication token.
   *
   * @param userName user name.
   * @param principal principal (commonly matches the user name, with Kerberos is the full/long principal
   * name while the userName is the short name).
   * @param type the authentication mechanism name.
   * (<code>System.currentTimeMillis() + validityPeriod</code>).
   */
  public AuthenticationToken(String userName, String principal, String type) {
    super(userName, principal, type);
  }

  /**
   * Sets the max inactive time of the token.
   *
   * @param maxInactives inactive time of the token in milliseconds
   *                     since the epoch.
   */
  public void setMaxInactives(long maxInactives) {
    if (this != AuthenticationToken.ANONYMOUS) {
      super.setMaxInactives(maxInactives);
    }
  }

  /**
   * Sets the expiration of the token.
   *
   * @param expires expiration time of the token in milliseconds since the epoch.
   */
  public void setExpires(long expires) {
    if (this != AuthenticationToken.ANONYMOUS) {
      super.setExpires(expires);
    }
  }

  /**
   * Returns true if the token has expired.
   *
   * @return true if the token has expired.
   */
  public boolean isExpired() {
    return super.isExpired();
  }

  /**
   * Parses a string into an authentication token.
   *
   * @param tokenStr string representation of a token.
   *
   * @return the parsed authentication token.
   *
   * @throws AuthenticationException thrown if the string representation could not be parsed into
   * an authentication token.
   */
  public static AuthenticationToken parse(String tokenStr) throws AuthenticationException {
    return new AuthenticationToken(AuthToken.parse(tokenStr));
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop AltKerberosAuthenticationHandler 源码

hadoop AuthenticationFilter 源码

hadoop AuthenticationHandler 源码

hadoop AuthenticationHandlerUtil 源码

hadoop CompositeAuthenticationHandler 源码

hadoop HttpConstants 源码

hadoop JWTRedirectAuthenticationHandler 源码

hadoop KerberosAuthenticationHandler 源码

hadoop LdapAuthenticationHandler 源码

hadoop MultiSchemeAuthenticationHandler 源码