org.eclipse.jetty.security

## Interface Authenticator

- All Known Implementing Classes:
    BasicAuthenticator, ClientCertAuthenticator, DigestAuthenticator, FormAuthenticator, JaspiAuthenticator, LoginAuthenticator, SpnegoAuthenticator

      public interface Authenticator

  Authenticator Interface

  An Authenticator is responsible for checking requests and sending response challenges in order to authenticate a request. Various types of `Authentication` are returned in order to signal the next step in authentication.

  Version:
    $Rev: 4793 $ $Date: 2009-03-19 00:00:01 +0100 (Thu, 19 Mar 2009) $

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Interface and Description
    --- | ---
    `static interface` | `Authenticator.AuthConfiguration` Authenticator Configuration
    `static interface` | `Authenticator.Factory` Authenticator Factory

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getAuthMethod()`
    `boolean` | `secureResponse(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, boolean mandatory, Authentication.User validatedUser)`
    `void` | `setConfiguration(Authenticator.AuthConfiguration configuration)` Configure the Authenticator
    `Authentication` | `validateRequest(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, boolean mandatory)` Validate a response

- - ### Method Detail

    - #### setConfiguration

          void setConfiguration(Authenticator.AuthConfiguration configuration)

      Configure the Authenticator
      Parameters:
        `configuration` -

    - #### getAuthMethod

          String getAuthMethod()

      Returns:
        The name of the authentication method

    - #### validateRequest

          Authentication validateRequest(javax.servlet.ServletRequest request,
                                       javax.servlet.ServletResponse response,
                                       boolean mandatory)
                                         throws ServerAuthException

      Validate a response
      Parameters:
        `request` - The request
        `response` - The response
        `mandatory` - True if authentication is mandatory.
      Returns:
        An Authentication. If Authentication is successful, this will be a `Authentication.User`. If a response has been sent by the Authenticator (which can be done for both successful and unsuccessful authentications), then the result will implement `Authentication.ResponseSent`. If Authentication is not manditory, then a `Authentication.Deferred` may be returned.
      Throws:
        `ServerAuthException`

    - #### secureResponse

          boolean secureResponse(javax.servlet.ServletRequest request,
                               javax.servlet.ServletResponse response,
                               boolean mandatory,
                               Authentication.User validatedUser)
                                 throws ServerAuthException

      Parameters:
        `request` -
        `response` -
        `mandatory` -
        `validatedUser` -
      Returns:
        true if response is secure
      Throws:
        `ServerAuthException`

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