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package com.sun.jersey.oauth.server.spi;

import java.security.Principal;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.SecurityContext;

/** Interface representing an OAuth token (i.e. access token or request token).
 *
 * @author Martin Matula
 */
public interface OAuthToken {
    /** Returns string representing the token.
     *
     * @return string representing the token
     */
    String getToken();

    /** Returns the token secret.
     *
     * @return token secret
     */
    String getSecret();

    /** Returns consumer this token was issued for.
     *
     * @return consumer this token was issued for.
     */
    OAuthConsumer getConsumer();

    /** Returns additional custom attributes associated with the token.
     * If this is a request token, this should be a the same set or a defined
     * subset of parameters that were passed to the {@link OAuthProvider#newRequestToken(java.lang.String, java.lang.String, javax.ws.rs.core.MultivaluedMap)}
     * method that created this request token. If this is an access token,
     * this is any application defined set that will included as form parameters
     * in a response to accessToken request.
     *
     * @return immutable map of custom attributes
     */
    MultivaluedMap getAttributes();

    /** Returns a {@link Principal} object containing the name of the
     * user the request containing this token is authorized to act on behalf of.
     * When the oauth filter verifies the request
     * with this token is properly authenticated, it injects this token into a security context
     * which then delegates {@link SecurityContext#getUserPrincipal()} to this
     * method.
     *
     * @return Principal corresponding to this token, or null if the token is not authorized
     */
    Principal getPrincipal();

    /** Returns a boolean indicating whether this token is authorized for the
     * specified logical "role". When the oauth filter verifies the request
     * with this token is properly authenticated, it injects this token into a security context
     * which then delegates {@link SecurityContext#isUserInRole(java.lang.String)} to this
     * method.
     *
     * @param role a {@code String} specifying the name of the role
     *
     * @return a {@code boolean} indicating whether this token is authorized for
     * a given role
     */
    boolean isInRole(String role);
}