Index: lams_central/src/java/org/lamsfoundation/lams/web/RedirectAction.java
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diff -u
--- lams_central/src/java/org/lamsfoundation/lams/web/RedirectAction.java	(revision 0)
+++ lams_central/src/java/org/lamsfoundation/lams/web/RedirectAction.java	(revision 4726485a6c59a3bb4a87c7c98a73e9479294f054)
@@ -0,0 +1,70 @@
+/****************************************************************
+ * Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
+ * =============================================================
+ * License Information: http://lamsfoundation.org/licensing/lams/2.0/
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 
+ * as published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
+ * USA
+ * 
+ * http://www.gnu.org/licenses/gpl.txt
+ * ****************************************************************
+ */
+/* $$Id$$ */
+package org.lamsfoundation.lams.web;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+import org.apache.struts.action.ActionForm;
+import org.apache.struts.action.ActionForward;
+import org.apache.struts.action.ActionMapping;
+import org.lamsfoundation.lams.util.CentralConstants;
+import org.lamsfoundation.lams.util.Configuration;
+import org.lamsfoundation.lams.util.ConfigurationKeys;
+import org.lamsfoundation.lams.util.WebUtil;
+import org.lamsfoundation.lams.web.action.LamsAction;
+
+/**
+ * @author lfoxton
+ * 
+ * Takes a relative path as a parameter and redirects the user there after they
+ * have been authenticated. This allows direct linking to learner and monitor
+ * from outside sources. It must be done through central as it is the only
+ * project that offers this functionality
+ * 
+ * Usage r.do?URL=<relURL>
+ * where rekURL = the URL-encoded relative LAMS url 
+ * 
+ * @struts:action path="/r" validate="false"
+ * @struts:action-forward name="error" path=".error"
+ * 
+ */
+public class RedirectAction extends LamsAction {
+
+    private static Logger log = Logger.getLogger(RedirectAction.class);
+
+    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest req, HttpServletResponse res)
+	    throws Exception {
+	try {
+	    String relativePath = WebUtil.readStrParam(req, CentralConstants.PARAM_REDIRECT_URL);
+
+	    res.sendRedirect(Configuration.get(ConfigurationKeys.SERVER_URL) + relativePath);
+	    return null;
+	} catch (Exception e) {
+	    log.error("Failed redirect to url", e);
+	    return mapping.findForward("error");
+	}
+    }
+}
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