com.shin1ogawa.appengine.marketplace.controller.TopPageController.java Source code

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Here is the source code for com.shin1ogawa.appengine.marketplace.controller.TopPageController.java

Source

package com.shin1ogawa.appengine.marketplace.controller;

import java.io.PrintWriter;
import java.util.Date;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.commons.lang.StringUtils;
import org.slim3.controller.Controller;
import org.slim3.controller.Navigation;
import org.slim3.datastore.Datastore;

import com.google.appengine.api.NamespaceManager;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
import com.google.apphosting.api.ApiProxy.Delegate;
import com.google.apphosting.api.ApiProxy.Environment;
import com.shin1ogawa.appengine.marketplace.Configuration;
import com.shin1ogawa.appengine.marketplace.gdata.IncreaseURLFetchDeadlineDelegate;

/**
 * when started from universal navigation.
 * <p>necessary to pass the parameter {@literal domain}.</p>
 * @author shin1ogawa
 */
public class TopPageController extends Controller {

    static final Logger logger = Logger.getLogger(TopPageController.class.getName());

    Delegate<Environment> delegate;

    protected String domain;

    private User currentUser;

    @Override
    protected Navigation setUp() {
        domain = asString("domain");
        UserService us = UserServiceFactory.getUserService();
        currentUser = us.getCurrentUser();
        if (currentUser == null) {
            if (StringUtils.isEmpty(domain)) {
                return redirect(Configuration.get().getMarketplaceListingUrl());
            }
            // if user had not been authenticated then send redirect to login url.
            String callbackURL = request.getRequestURL() + "?domain=" + domain;
            logger.log(Level.INFO, "had not been authenticated: callback=" + callbackURL);
            return redirect(us.createLoginURL(callbackURL, domain,
                    "https://www.google.com/accounts/o8/site-xrds?hd=" + domain, null));
        } else {
            if (StringUtils.isEmpty(domain)) {
                String id = currentUser.getFederatedIdentity();
                int beginIndex = id.indexOf("://") + "://".length();
                int endIndex = id.indexOf('/', beginIndex);
                domain = id.substring(beginIndex, endIndex);
            } else if (StringUtils.contains(currentUser.getFederatedIdentity(), domain) == false) {
                // if user had been authenticated but invalid domain then send redirect to logout url.
                String callbackURL = request.getRequestURL() + "?domain=" + domain;
                logger.log(Level.INFO, "invalid domain: callback=" + callbackURL);
                return redirect(us.createLogoutURL(callbackURL, domain));
            }
        }
        delegate = IncreaseURLFetchDeadlineDelegate.install();
        NamespaceManager.set(domain);
        return super.setUp();
    }

    @Override
    protected Navigation run() throws Exception {
        Map<String, String> licenseState = Utils.getLicenseState(domain);
        boolean notLicensed = StringUtils.equalsIgnoreCase(licenseState.get("state"), "ACTIVE") == false
                || StringUtils.equalsIgnoreCase(licenseState.get("enabled"), "true") == false;
        if (notLicensed) {
            Utils.responseRefresh(response, Configuration.get().getMarketplaceAppId(),
                    "not licensed(or not enabled).");
            return null;
        }
        Key appsUserKey = Utils.createAppsUserKey(currentUser);
        Entity appsUser = Datastore.getOrNull(appsUserKey);
        if (appsUser == null) {
            appsUser = new Entity(appsUserKey);
            appsUser.setProperty("email", currentUser.getEmail());
            appsUser.setProperty("createdAt", new Date());
        }
        appsUser.setProperty("updatedAt", new Date());
        Datastore.put(appsUser);

        response.setContentType("text/html");
        response.setCharacterEncoding("utf-8");
        PrintWriter w = response.getWriter();
        w.println("<html><head><title>appengine-gdata-example</title></head><body>");
        w.println("<h1>appengine-gdata-example</h1>");
        w.println("<p>from universal navigation</p>");
        w.println(
                "<p><a target=\"_blank\" href=\"http://github.com/shin1ogawa/appengine-marketplace-example/blob/master/src/main/java/com/shin1ogawa/appengine/marketplace/controller/TopPageController.java\">");
        w.println("source code</a></p>");
        w.println(Utils.getHtmlForDebug(request));
        w.println("</body></html>");
        response.flushBuffer();
        return null;
    }

    @Override
    protected void tearDown() {
        if (delegate != null) {
            IncreaseURLFetchDeadlineDelegate.uninstall(delegate);
        }
        super.tearDown();
    }
}