WebsiteApplication.java

/**
 *  Copyright 2012 Universitat Pompeu Fabra.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *
 */
package org.onexus.website.api;

import org.apache.wicket.Application;
import org.apache.wicket.Page;
import org.apache.wicket.RestartResponseAtInterceptPageException;
import org.apache.wicket.RuntimeConfigurationType;
import org.apache.wicket.authroles.authentication.AbstractAuthenticatedWebSession;
import org.apache.wicket.authroles.authentication.AuthenticatedWebApplication;
import org.apache.wicket.core.request.handler.PageProvider;
import org.apache.wicket.core.request.handler.RenderPageRequestHandler;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.protocol.http.RequestUtils;
import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.request.cycle.AbstractRequestCycleListener;
import org.apache.wicket.request.cycle.RequestCycle;
import org.onexus.resource.api.ORI;
import org.onexus.resource.api.session.LoginContext;
import org.onexus.website.api.utils.error.ExceptionErrorPage;
import org.onexus.website.api.utils.panels.NotAuthorizedPage;
import org.onexus.website.api.utils.panels.SignOutPage;
import org.ops4j.pax.wicket.api.InjectorHolder;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

public class WebsiteApplication extends AuthenticatedWebApplication {

    private static final String SERVER_URL = System.getProperty("onexus.server.url");

    private String webPath;
    private ORI websiteOri;
    private Class<? extends WebPage> signInPageClass;

    public WebsiteApplication() {
        super();
    }

    @Override
    public RuntimeConfigurationType getConfigurationType() {
        return RuntimeConfigurationType.DEPLOYMENT;
    }

    public Class<? extends Page> getHomePage() {
        return Website.class;
    }

    public boolean usePersonSignIn() {
        return Boolean.parseBoolean(System.getProperty("org.onexus.ui.authentication.persona", "false"));
    }

    @Override
    protected void init() {
        super.init();

        // Authentication
        getApplicationSettings().setAccessDeniedPage(getSignInPageClass());

		/* In case of unhandled exception redirect it to a custom page */
        getRequestCycleListeners().add(new AbstractRequestCycleListener() {
            @Override
            public IRequestHandler onException(RequestCycle cycle, Exception e) {
                return new RenderPageRequestHandler(new PageProvider(new ExceptionErrorPage(e)));
            }
        });

        // Set the login context on each thread
        getRequestCycleListeners().add(new AbstractRequestCycleListener() {
            @Override
            public void onBeginRequest(RequestCycle cycle) {
                HttpServletRequest webRequest = (HttpServletRequest) cycle.getRequest().getContainerRequest();
                HttpSession session = webRequest.getSession();

                if (session != null && LoginContext.get(session.getId()) != null) {
                    LoginContext.set(LoginContext.get(session.getId()), null);
                } else {
                    LoginContext.set(LoginContext.ANONYMOUS_CONTEXT, null);
                }
            }
        });

        mountPage(webPath + "/#{" + Website.PARAMETER_CURRENT_PAGE + "}/#{ptab}", Website.class);
        mountPage("/login", getSignInPageClass());
        mountPage("/logout", SignOutPage.class);
        mountPage("/forbbiden", NotAuthorizedPage.class);

    }


    @Override
    protected Class<? extends AbstractAuthenticatedWebSession> getWebSessionClass() {
        return WebsiteSession.class;
    }

    @Override
    public void restartResponseAtSignInPage() {
        throw new RestartResponseAtInterceptPageException(getSignInPageClass());
    }

    @Override
    protected Class<? extends WebPage> getSignInPageClass() {
        return signInPageClass;
    }

    public void setSignInPageClass(Class<? extends WebPage> signInPageClass) {
        this.signInPageClass = signInPageClass;
    }

    public static WebsiteApplication get() {
        return (WebsiteApplication) Application.get();
    }

    public ORI getWebsiteOri() {
        return websiteOri;
    }

    public void setWebsiteOri(ORI websiteOri) {
        this.websiteOri = websiteOri;
    }

    public String getWebPath() {
        return webPath;
    }

    public void setWebPath(String webPath) {
        this.webPath = webPath;
    }


    public static String toAbsolutePath(String relativePagePath) {

        HttpServletRequest request = (HttpServletRequest) RequestCycle.get().getRequest().getContainerRequest();
        String serverUrl = SERVER_URL;
        if (serverUrl == null) {
            serverUrl = request.getScheme() + "://" + request.getServerName();
            if (request.getServerPort() != 80) {
                serverUrl = serverUrl + ":" + request.getServerPort();
            }
        }
        return toAbsolutePath(relativePagePath, serverUrl);
    }

    public static String toAbsolutePath(String relativePagePath, String serverUrl) {

        HttpServletRequest request = (HttpServletRequest) RequestCycle.get().getRequest().getContainerRequest();

        if (relativePagePath.charAt(0) == '/') {
            return serverUrl + relativePagePath;
        }

        String fullPath = RequestUtils.toAbsolutePath(request.getRequestURI(), relativePagePath);
        return serverUrl + fullPath;
    }

    public static void inject(Object obj) {
        if (obj != null) {
            InjectorHolder.getInjector().inject(obj, obj.getClass());
        }
    }

}