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<%@ page import="edu.ucsb.nceas.metacat.client.*" %>
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<%
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/**
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* '$RCSfile$'
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* Authors: Matt Jones, CHad Berkley
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* For Details: http://www.nceas.ucsb.edu/
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*
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* '$Author: daigle $'
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* '$Date: 2008-04-02 16:28:31 -0700 (Wed, 02 Apr 2008) $'
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* '$Revision: 3780 $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* This is an XSLT (http://www.w3.org/TR/xslt) stylesheet designed to
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* convert an XML file showing the resultset of a query
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* into an HTML format suitable for rendering with modern web browsers.
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*/
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%>
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<!-- %@ include file="../../common/common-settings.jsp"% -->
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<%
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//////////////////////////////////////////////////////////////////////////////
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//
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// NOTE:
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//
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// GLOBAL CONSTANTS (SETTINGS SUCH AS METACAT URL, LDAP DOMAIN AND DEBUG
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// SWITCH) ARE ALL IN THE INCLUDE FILE "PORTAL_SETTINGS.jsp"
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//
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//////////////////////////////////////////////////////////////////////////////
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// GLOBAL VARIABLES //////////////////////////////////////////////////////////
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String loginStatus = null;
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String sess_sessionId = null;
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String sessionidField = null;
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String metacatResponse = null;
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String posted_ldapUserName = null;
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String typedUserName = null;
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String posted_organization = null;
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String posted_password = null;
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String loginAction = null;
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String loginButtonLabel = null;
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String loginEnabledDisabled = null;
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Metacat metacat = null;
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HttpSession rfSession = null;
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boolean isLoggedIn = false;
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String relativeRoot = SERVLET_URL + "/style/skins/knb2";
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String knbSiteUrl = KNB_SITE_URL;
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String include_portalhead_title = null;
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//////////////////////////////////////////////////////////////////////////////
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try {
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rfSession = request.getSession(true);
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} catch(Exception e) {
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throw new ServletException("trying to get session: "+e);
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}
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Object sess_sessionIdObj = rfSession.getAttribute("sess_sessionIdObj");
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if (sess_sessionIdObj!=null) {
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sess_sessionId = (String)sess_sessionIdObj;
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// if sess_sessionIdObj is empty string, that means user has logged out
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// (had problems if I set it to null, so used empty string instead)
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if (sess_sessionId.length() < 1) sess_sessionId = null;
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else isLoggedIn = true;
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} else {
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sess_sessionId = null;
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}
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typedUserName = request.getParameter("username");
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typedUserName = (typedUserName!=null)? typedUserName.trim() : "";
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posted_organization = request.getParameter("organization");
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posted_organization = (posted_organization!=null)? posted_organization.trim() : "";
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posted_ldapUserName = "uid=" + typedUserName
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+ ",o=" + posted_organization + LDAP_DOMAIN;
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posted_password = request.getParameter("password");
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posted_password = (posted_password!=null)? posted_password.trim() : "";
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loginAction = request.getParameter("loginAction");
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loginAction = (loginAction!=null)? loginAction.trim() : "";
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//////////////////////////////////////////////////////////////////////////////
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if (loginAction.equals(LOGOUT_LABEL)) {
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// DO LOGOUT //////////////////////////////////////////////////////////////
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if (sess_sessionId!=null && rfSession.getAttribute("sess_metacatObj")!=null) {
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metacat = (Metacat)(rfSession.getAttribute("sess_metacatObj"));
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metacat.logout();
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}
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sess_sessionId = null;
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rfSession.setAttribute("sess_sessionIdObj", "");
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isLoggedIn = false;
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} else if (loginAction.equals(LOGIN_LABEL)) {
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// DO LOGIN ////////////////////////////////////////////////////////////////
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if (sess_sessionId!=null) isLoggedIn = true;
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else {
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// get metacat object - either cached from session...
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if (rfSession.getAttribute("sess_metacatObj")!=null) {
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metacat = (Metacat)(rfSession.getAttribute("sess_metacatObj"));
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} else { // ...or create it if it doesn't already exist
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try {
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metacat = MetacatFactory.createMetacatConnection(SERVLET_URL);
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} catch (MetacatInaccessibleException mie) {
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throw new ServletException("Metacat connection to "+SERVLET_URL
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+" failed." + mie.getMessage());
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}
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if (metacat==null) {
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throw new ServletException("Metacat connection to "+SERVLET_URL
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+" failed - Metacat object is NULL!");
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}
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rfSession.setAttribute("sess_metacatObj", metacat);
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}
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// now do login...
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try {
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metacatResponse = metacat.login(posted_ldapUserName, posted_password);
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if (metacatResponse!=null && metacatResponse.indexOf("<login>") >= 0) {
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sess_sessionId = metacat.getSessionId();
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rfSession.setAttribute("sess_sessionIdObj",
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((sess_sessionId!=null)? sess_sessionId: "") );
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isLoggedIn = true;
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} else {
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loginStatus = "<em class=\"loginStatus\">Incorrect username or password - please try again</em>";
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isLoggedIn = false;
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}
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} catch (MetacatAuthException mae) {
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loginStatus = "<em class=\"loginStatus\">Incorrect username or password! - please try again</em>";
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isLoggedIn = false;
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} catch (MetacatInaccessibleException mie) {
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isLoggedIn = false;
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loginStatus = "<em class=\"loginStatus\">ERROR logging in - problems connecting - please try later</em>";
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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if (isLoggedIn) {
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loginButtonLabel = LOGOUT_LABEL;
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loginEnabledDisabled = "disabled";
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if (sess_sessionId!=null && sess_sessionId.length()>0) {
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sessionidField = "<input type=\"hidden\" name=\"sessionid\" value=\""
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+sess_sessionId+"\">";
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} else {
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sessionidField = "";
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}
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// if loginStatus has already been set above, don't overwrite it...
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if (loginStatus==null) loginStatus
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= "<em class=\"loginStatus\">You ARE logged in</em>";
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} else {
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loginButtonLabel = LOGIN_LABEL;
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loginEnabledDisabled = "";
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sessionidField = "";
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// if loginStatus has already been set above, don't overwrite it...
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if (loginStatus==null) loginStatus
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= "<em class=\"loginStatus\">You are NOT logged in</em>";
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}
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if (DEBUG_TO_BROWSER) {
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%>
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<table>
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<tr>
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<td colspan="4" align="left" valign="top" class="text_plain" bgcolor="#ffff00">
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<ul>
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<li>SERVLET_URL: <%=SERVLET_URL%></li>
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<li>rfSession: <%=rfSession%></li>
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<li>metacatResponse: <%=metacatResponse%></li>
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<li>posted_ldapUserName: <%=posted_ldapUserName%></li>
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<li>posted_password: <%=posted_password%></li>
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<li>isLoggedIn: <%=isLoggedIn%></li>
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<li>sess_sessionId LOCAL: <%=sess_sessionId%></li>
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<li>sess_sessionIdObj FROM SESSION: <%=rfSession.getAttribute("sess_sessionIdObj")%></li>
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</ul></td>
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</tr>
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</table>
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<%
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}
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%>
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