Revision 4591
Added by daigle about 16 years ago
src/edu/ucsb/nceas/metacat/admin/LoginAdmin.java | ||
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/** |
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* '$RCSfile$' |
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* Purpose: A Class that implements login methods |
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* Copyright: 2008 Regents of the University of California and the |
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* National Center for Ecological Analysis and Synthesis |
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* ors: Michael Daigle |
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* |
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* '$or: daigle $' |
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* '$Date$' |
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* '$Revision$' |
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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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package edu.ucsb.nceas.metacat.admin; |
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import java.io.IOException; |
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import java.util.Vector; |
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import javax.servlet.ServletException; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import org.apache.log4j.Logger; |
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import edu.ucsb.nceas.metacat.util.AuthUtil; |
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import edu.ucsb.nceas.metacat.util.RequestUtil; |
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import edu.ucsb.nceas.metacat.util.UtilException; |
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/** |
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* Control the display of the login page |
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*/ |
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public class LoginAdmin extends MetaCatAdmin { |
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private static LoginAdmin Admin = null; |
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private static Logger logMetacat = Logger.getLogger(LoginAdmin.class); |
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/** |
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* private constructor since this is a singleton |
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*/ |
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private LoginAdmin() {} |
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/** |
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* Get the single instance of LoginAdmin. |
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* |
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* @return the single instance of LoginAdmin |
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*/ |
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public static LoginAdmin getInstance() { |
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if (Admin == null) { |
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Admin = new LoginAdmin(); |
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} |
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return Admin; |
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} |
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/** |
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* Handle configuration of the Authentication properties |
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* |
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* @param request |
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* the http request information |
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* @param response |
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* the http response to be sent back to the client |
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*/ |
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public void authenticateUser(HttpServletRequest request, |
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HttpServletResponse response) throws AdminException { |
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String processForm = request.getParameter("processForm"); |
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String formErrors = (String) request.getAttribute("formErrors"); |
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if (processForm == null || !processForm.equals("true") || formErrors != null) { |
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// The servlet configuration parameters have not been set, or there |
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// were form errors on the last attempt to configure, so redirect to |
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// the web form for configuring metacat |
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try { |
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// Forward the request to the JSP page |
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RequestUtil.forwardRequest(request, response, |
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"/admin/admin-login.jsp"); |
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} catch (IOException ioe) { |
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throw new AdminException("IO problem while initializing " |
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+ "user login page:" + ioe.getMessage()); |
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} catch (ServletException se) { |
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throw new AdminException("problem forwarding request while " |
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+ "initializing user login page: " + se.getMessage()); |
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} |
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} else { |
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// The configuration form is being submitted and needs to be |
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// processed. |
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Vector<String> processingSuccess = new Vector<String>(); |
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Vector<String> processingErrors = new Vector<String>(); |
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Vector<String> validationErrors = new Vector<String>(); |
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// String loginString = null; |
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Boolean isLoggedIn = false; |
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String userName = ""; |
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try { |
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userName = request.getParameter("username"); |
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// String organization = request.getParameter("organization"); |
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String password = request.getParameter("password"); |
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// Validate that the options provided are legitimate. Note that |
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// we've allowed them to persist their entries. As of this point |
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// there is no other easy way to go back to the configure form |
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// and preserve their entries. |
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validationErrors.addAll(validateOptions(request)); |
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if (validationErrors.size() == 0) { |
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// Vector<String> dnList = OrganizationUtil.getOrgDNs(organization); |
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isLoggedIn = AuthUtil.logUserIn(request, userName, password); |
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// loginString = LDAPUtil.createLDAPString(userName, organization, dnList); |
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} |
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if (!isLoggedIn) { |
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String errorMessage = "Could not log in as: " + userName |
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+ " .Please try again"; |
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processingErrors.add(errorMessage); |
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} |
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} catch (UtilException ue) { |
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String errorMessage = "Problem in utility while " |
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+ "processing entication page: " + ue.getMessage(); |
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processingErrors.add(errorMessage); |
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logMetacat.error(errorMessage); |
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} |
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try { |
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if (validationErrors.size() > 0 || processingErrors.size() > 0) { |
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RequestUtil.clearRequestMessages(request); |
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RequestUtil.setRequestFormErrors(request, validationErrors); |
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RequestUtil.setRequestErrors(request, processingErrors); |
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RequestUtil.forwardRequest(request, response, "/admin"); |
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} else { |
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// Reload the main metacat configuration page |
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processingSuccess.add("User logged in as: " + userName); |
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RequestUtil.clearRequestMessages(request); |
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RequestUtil.setUserId(request, userName); |
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RequestUtil.setRequestSuccess(request, processingSuccess); |
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RequestUtil.forwardRequest(request, response, |
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"/admin?configureType=configure&processForm=false"); |
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} |
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} catch (IOException ioe) { |
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throw new AdminException("IO problem while processing login page: " |
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+ ioe.getMessage()); |
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} catch (ServletException se) { |
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throw new AdminException("problem forwarding request while " |
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+ "processoing login page: " + se.getMessage()); |
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} |
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} |
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} |
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/** |
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* Validate the most important configuration options submitted by the user. |
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* |
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* @return a vector holding error message for any fields that fail |
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* validation. |
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*/ |
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protected Vector<String> validateOptions(HttpServletRequest request) { |
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Vector<String> errorVector = new Vector<String>(); |
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//TODO MCD validate options. |
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return errorVector; |
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} |
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} |
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Also available in: Unified diff
This handles the configuration login form