/*
* Copyright 2007 The JA-SIG Collaborative. All rights reserved. See license
* distributed with this file and available online at
* http://www.ja-sig.org/products/cas/overview/license/
*/
package org.jasig.cas.adaptors.trusted.web.flow;
import javax.servlet.http.HttpServletRequest;
import org.jasig.cas.adaptors.trusted.authentication.principal.PrincipalBearingCredentials;
import org.jasig.cas.authentication.principal.Credentials;
import org.jasig.cas.authentication.principal.SimplePrincipal;
import org.jasig.cas.web.flow.AbstractNonInteractiveCredentialsAction;
import org.jasig.cas.web.support.WebUtils;
import org.springframework.util.StringUtils;
import org.springframework.webflow.execution.RequestContext;
/**
* Implementation of the NonInteractiveCredentialsAction that looks for a remote
* user that is set in the <code>HttpServletRequest</code> and attempts to
* construct a Principal (and thus a PrincipalBearingCredentials). If it doesn't
* find one, this class returns and error event which tells the web flow it
* could not find any credentials.
*
* @author Scott Battaglia
* @version $Revision: 14064 $ $Date: 2007-06-10 09:17:55 -0400 (Sun, 10 Jun 2007) $
* @since 3.0.5
*/
public final class PrincipalFromRequestRemoteUserNonInteractiveCredentialsAction
extends AbstractNonInteractiveCredentialsAction {
protected Credentials constructCredentialsFromRequest(
final RequestContext context) {
final HttpServletRequest request = WebUtils
.getHttpServletRequest(context);
final String remoteUser = request.getRemoteUser();
if (StringUtils.hasText(remoteUser)) {
if (logger.isDebugEnabled()) {
logger.debug("Remote User [" + remoteUser
+ "] found in HttpServletRequest");
}
return new PrincipalBearingCredentials(new SimplePrincipal(
remoteUser));
}
if (logger.isDebugEnabled()) {
logger.debug("Remote User not found in HttpServletRequest.");
}
return null;
}
}