package org.dspace.app.xmlui.aspect.eperson;
import java.io.Serializable;
import java.sql.SQLException;
import javax.servlet.http.HttpSession;
import org.apache.cocoon.caching.CacheableProcessingComponent;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Request;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.NOPValidity;
import org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer;
import org.dspace.app.xmlui.utils.AuthenticationUtil;
import org.dspace.app.xmlui.wing.Message;
import org.dspace.app.xmlui.wing.WingException;
import org.dspace.app.xmlui.wing.element.Body;
import org.dspace.app.xmlui.wing.element.Division;
import org.dspace.app.xmlui.wing.element.Item;
import org.dspace.app.xmlui.wing.element.List;
import org.dspace.app.xmlui.wing.element.PageMeta;
import org.dspace.core.ConfigurationManager;
import org.xml.sax.SAXException;
public class EdiauthLogin extends AbstractDSpaceTransformer implements
CacheableProcessingComponent {
/** language strings */
public static final Message T_title = message("xmlui.EPerson.EdiauthLogin.title");
public static final Message T_dspace_home = message("xmlui.general.dspace_home");
public static final Message T_trail = message("xmlui.EPerson.EdiauthLogin.trail");
public static final Message T_head1 = message("xmlui.EPerson.EdiauthLogin.head1");
public static final Message T_submit = message("xmlui.EPerson.EdiauthLogin.submit");
/**
* Generate the unique caching key. This key must be unique inside the space
* of this component.
*/
public Serializable getKey() {
Request request = ObjectModelHelper.getRequest(objectModel);
// String previous_username = request.getParameter("username");
// Get any message parameters
HttpSession session = request.getSession();
String header = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_HEADER);
String message = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_MESSAGE);
String characters = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_CHARACTERS);
// If there is a message or previous email attempt then the page is not
// cachable
if (header == null && message == null && characters == null)
//if (header == null && message == null && characters == null && previous_username == null)
// cacheable
return "1";
else
// Uncachable
return "0";
}
/**
* Generate the cache validity object.
*/
public SourceValidity getValidity() {
Request request = ObjectModelHelper.getRequest(objectModel);
//String previous_username = request.getParameter("username");
// Get any message parameters
HttpSession session = request.getSession();
String header = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_HEADER);
String message = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_MESSAGE);
String characters = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_CHARACTERS);
// If there is a message or previous email attempt then the page is not
// cachable
if (header == null && message == null && characters == null)
//if (header == null && message == null && characters == null && previous_username == null)
// Always valid
return NOPValidity.SHARED_INSTANCE;
else
// invalid
return null;
}
/**
* Set the page title and trail.
*/
public void addPageMeta(PageMeta pageMeta) throws WingException {
pageMeta.addMetadata("title").addContent(T_title);
pageMeta.addTrailLink(contextPath + "/", T_dspace_home);
pageMeta.addTrail().addContent(T_trail);
}
/**
* Display the login form.
*/
public void addBody(Body body) throws SQLException, SAXException, WingException {
// Check if the user has previously attempted to login.
Request request = ObjectModelHelper.getRequest(objectModel);
HttpSession session = request.getSession();
//String previousUserName = request.getParameter("username");
// Get any message parameters
String header = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_HEADER);
String message = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_MESSAGE);
String characters = (String) session
.getAttribute(AuthenticationUtil.REQUEST_INTERRUPTED_CHARACTERS);
if (header != null || message != null || characters != null) {
Division reason = body.addDivision("login-reason");
if (header != null)
reason.setHead(message(header));
else
// Always have a head.
reason.setHead("Authentication Required");
if (message != null)
reason.addPara(message(message));
if (characters != null)
reason.addPara(characters);
}
String action = ConfigurationManager.getProperty("ediauth.login.action");
Division login = body.addInteractiveDivision("login", action, Division.METHOD_GET, "primary");
login.setHead(T_head1);
List list = login.addList("ediauth-login", List.TYPE_FORM);
list.addLabel();
Item submit = list.addItem("login-in", null);
/*
submit.addHidden("service").setValue(service);
submit.addHidden("context").setValue(context);
submit.addButton("submit").setValue(T_submit);
*/
submit.addFigure("themes/Jorum_v2/images/depositor-login.gif", ConfigurationManager.getProperty("ediauth.login.url"), "Login");
submit.addContent("via UK federation. ");
submit.addXref("http://edina.ac.uk/access/fedaccess.shtml", "[info]");
}
}