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## org.eclipse.jetty.security.authentication
Class FormAuthenticator

    java.lang.Object
      org.eclipse.jetty.security.authentication.LoginAuthenticator
          org.eclipse.jetty.security.authentication.FormAuthenticator

All Implemented Interfaces:
  Authenticator

    public class FormAuthenticator

extends LoginAuthenticator

FORM Authenticator.

This authenticator implements form authentication will use dispatchers to the login page if the `__FORM_DISPATCH` init parameter is set to true. Otherwise it will redirect.

The form authenticator redirects unauthenticated requests to a log page which should use a form to gather username/password from the user and send them to the /j_security_check URI within the context. FormAuthentication uses `SessionAuthentication` to wrap Authentication results so that they are associated with the session.

Nested Class Summary
`static class` | `FormAuthenticator.FormAuthentication` This Authentication represents a just completed Form authentication.
`protected static class` | `FormAuthenticator.FormRequest`
`protected static class` | `FormAuthenticator.FormResponse`

Nested classes/interfaces inherited from interface org.eclipse.jetty.security.Authenticator
`Authenticator.AuthConfiguration, Authenticator.Factory`

Field Summary
`static java.lang.String` | `__FORM_DISPATCH`
`static java.lang.String` | `__FORM_ERROR_PAGE`
`static java.lang.String` | `__FORM_LOGIN_PAGE`
`static java.lang.String` | `__J_PASSWORD`
`static java.lang.String` | `__J_POST`
`static java.lang.String` | `__J_SECURITY_CHECK`
`static java.lang.String` | `__J_URI`
`static java.lang.String` | `__J_USERNAME`

Fields inherited from class org.eclipse.jetty.security.authentication.LoginAuthenticator
`_deferred, _identityService, _loginService, SESSION_SECURED`

Constructor Summary
`FormAuthenticator()`
`FormAuthenticator(java.lang.String login, java.lang.String error, boolean dispatch)`

Method Summary
`java.lang.String` | `getAuthMethod()`
`boolean` | `isJSecurityCheck(java.lang.String uri)`
`boolean` | `isLoginOrErrorPage(java.lang.String pathInContext)`
`boolean` | `secureResponse(ServletRequest req, ServletResponse res, boolean mandatory, Authentication.User validatedUser)`
`void` | `setConfiguration(Authenticator.AuthConfiguration configuration)` Configure the Authenticator
`Authentication` | `validateRequest(ServletRequest req, ServletResponse res, boolean mandatory)` Validate a response

Methods inherited from class org.eclipse.jetty.security.authentication.LoginAuthenticator
`getLoginService, renewSessionOnAuthentication`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### __FORM_LOGIN_PAGE

    public static final java.lang.String __FORM_LOGIN_PAGE

See Also:
  Constant Field Values

### __FORM_ERROR_PAGE

    public static final java.lang.String __FORM_ERROR_PAGE

See Also:
  Constant Field Values

### __FORM_DISPATCH

    public static final java.lang.String __FORM_DISPATCH

See Also:
  Constant Field Values

### __J_URI

    public static final java.lang.String __J_URI

See Also:
  Constant Field Values

### __J_POST

    public static final java.lang.String __J_POST

See Also:
  Constant Field Values

### __J_SECURITY_CHECK

    public static final java.lang.String __J_SECURITY_CHECK

See Also:
  Constant Field Values

### __J_USERNAME

    public static final java.lang.String __J_USERNAME

See Also:
  Constant Field Values

### __J_PASSWORD

    public static final java.lang.String __J_PASSWORD

See Also:
  Constant Field Values

Constructor Detail

### FormAuthenticator

    public FormAuthenticator()

### FormAuthenticator

    public FormAuthenticator(java.lang.String login,
                             java.lang.String error,
                             boolean dispatch)

Method Detail

### setConfiguration

    public void setConfiguration(Authenticator.AuthConfiguration configuration)

  Description copied from interface: `Authenticator`
  Configure the Authenticator

  Specified by:
    `setConfiguration` in interface `Authenticator`
  Overrides:
    `setConfiguration` in class `LoginAuthenticator`
  See Also:
    `LoginAuthenticator.setConfiguration(org.eclipse.jetty.security.Authenticator.AuthConfiguration)`

### getAuthMethod

    public java.lang.String getAuthMethod()

  Returns:
    The name of the authentication method

### validateRequest

    public Authentication validateRequest(ServletRequest req,
                                          ServletResponse res,
                                          boolean mandatory)
                                   throws ServerAuthException

  Description copied from interface: `Authenticator`
  Validate a response

  Parameters:
    `req` - The request
    `res` - 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`

### isJSecurityCheck

    public boolean isJSecurityCheck(java.lang.String uri)

### isLoginOrErrorPage

    public boolean isLoginOrErrorPage(java.lang.String pathInContext)

### secureResponse

    public boolean secureResponse(ServletRequest req,
                                  ServletResponse res,
                                  boolean mandatory,
                                  Authentication.User validatedUser)
                           throws ServerAuthException

  Returns:
    true if response is secure
  Throws:
    `ServerAuthException`

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