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package org.apache.catalina.authenticator;


public class Constants {

    public static final String Package = "org.apache.catalina.authenticator";

    // Authentication methods for login configuration
    public static final String BASIC_METHOD = "BASIC";
    public static final String CERT_METHOD = "CLIENT_CERT";
    public static final String DIGEST_METHOD = "DIGEST";
    public static final String FORM_METHOD = "FORM";

    // User data constraints for transport guarantee
    public static final String NONE_TRANSPORT = "NONE";
    public static final String INTEGRAL_TRANSPORT = "INTEGRAL";
    public static final String CONFIDENTIAL_TRANSPORT = "CONFIDENTIAL";

    // Form based authentication constants
    public static final String FORM_ACTION = "/j_security_check";
    public static final String FORM_PASSWORD = "j_password";
    public static final String FORM_USERNAME = "j_username";

    // Cookie name for single sign on support
    public static final String SINGLE_SIGN_ON_COOKIE = "JSESSIONIDSSO";
    public static final String SINGLE_SIGN_ON_VERSION_COOKIE = "JSESSIONIDSSOVERSION";


    // --------------------------------------------------------- Request Notes


    /**
     * If a user has been authenticated by the web layer, by means of a
     * login method other than CLIENT_CERT, the username and password
     * used to authenticate the user will be attached to the request as
     * Notes for use by other server components.  A server component can
     * also call several existing methods on Request to determine whether
     * or not any user has been authenticated:
     * 
     * ((HttpServletRequest) getRequest()).getAuthType()
     *     will return BASIC, CLIENT_CERT, DIGEST, FORM, or null
     *     if there is no authenticated user.
     * ((HttpServletRequest) getRequest()).getUserPrincipal()
     *     will return the authenticated Principal returned by the
     *     Realm that authenticated this user.
     * 
     * If CLIENT_CERT authentication was performed, the certificate chain
     * will be available as a request attribute, as defined in the
     * servlet specification.
     */


    /**
     * The notes key for the password used to authenticate this user.
     */
    public static final String REQ_PASSWORD_NOTE =
      "org.apache.catalina.request.PASSWORD";


    /**
     * The notes key for the username used to authenticate this user.
     */
    public static final String REQ_USERNAME_NOTE =
      "org.apache.catalina.request.USERNAME";


    /**
     * The notes key to track the single-sign-on identity with which this
     * request is associated.
     */
    public static final String REQ_SSOID_NOTE =
      "org.apache.catalina.request.SSOID";

    /**
     * The notes key to track the single-sign-on version with which this
     * request is associated.
     */
    public static final String REQ_SSO_VERSION_NOTE =
      "org.apache.catalina.request.SSOVersion";

    // ---------------------------------------------------------- Session Notes


    /**
     * If the cache property of our authenticator is set, and
     * the current request is part of a session, authentication information
     * will be cached to avoid the need for repeated calls to
     * Realm.authenticate(), under the following keys:
     */


    /**
     * The notes key for the password used to authenticate this user.
     */
    public static final String SESS_PASSWORD_NOTE =
      "org.apache.catalina.session.PASSWORD";


    /**
     * The notes key for the username used to authenticate this user.
     */
    public static final String SESS_USERNAME_NOTE =
      "org.apache.catalina.session.USERNAME";


    /**
     * The following note keys are used during form login processing to
     * cache required information prior to the completion of authentication.
     */


    /**
     * The previously authenticated principal (if caching is disabled).
     */
    public static final String FORM_PRINCIPAL_NOTE =
        "org.apache.catalina.authenticator.PRINCIPAL";


    /**
     * The original request information, to which the user will be
     * redirected if authentication succeeds.
     */
    public static final String FORM_REQUEST_NOTE =
        "org.apache.catalina.authenticator.REQUEST";


}