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/*
* Copyright 2013 Jesse Morgan <jesse@jesterpm.net>
*/
package com.p4square.grow.frontend;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.UUID;
import freemarker.template.Template;
import org.restlet.Application;
import org.restlet.Component;
import org.restlet.Client;
import org.restlet.Context;
import org.restlet.Restlet;
import org.restlet.data.Protocol;
import org.restlet.resource.Directory;
import org.restlet.routing.Redirector;
import org.restlet.routing.Router;
import org.restlet.security.Authenticator;
import org.apache.log4j.Logger;
import com.p4square.fmfacade.FMFacade;
import com.p4square.fmfacade.FreeMarkerPageResource;
import com.p4square.grow.config.Config;
import com.p4square.f1oauth.F1OAuthHelper;
import com.p4square.f1oauth.SecondPartyVerifier;
import com.p4square.session.SessionCheckingAuthenticator;
import com.p4square.session.SessionCreatingAuthenticator;
/**
* This is the Restlet Application implementing the Grow project front-end.
* It's implemented as an extension of FMFacade that connects interactive pages
* with various ServerResources. This class provides a main method to start a
* Jetty instance for testing.
*
* @author Jesse Morgan <jesse@jesterpm.net>
*/
public class GrowFrontend extends FMFacade {
private static Logger LOG = Logger.getLogger(GrowFrontend.class);
private Config mConfig;
private F1OAuthHelper mHelper;
public GrowFrontend() {
mConfig = new Config();
}
public Config getConfig() {
return mConfig;
}
@Override
public synchronized void start() throws Exception {
final String configDomain =
getContext().getParameters().getFirstValue("configDomain");
if (configDomain != null) {
mConfig.setDomain(configDomain);
}
mConfig.updateConfig(this.getClass().getResourceAsStream("/grow.properties"));
final String configFilename =
getContext().getParameters().getFirstValue("configFile");
if (configFilename != null) {
LOG.info("Loading configuration from " + configFilename);
mConfig.updateConfig(configFilename);
}
Template errorTemplate = getTemplate("templates/error.ftl");
if (errorTemplate != null) {
ErrorPage.setTemplate(errorTemplate);
}
super.start();
}
synchronized F1OAuthHelper getHelper() {
if (mHelper == null) {
mHelper = new F1OAuthHelper(getContext(), mConfig.getString("f1ConsumerKey", ""),
mConfig.getString("f1ConsumerSecret", ""),
mConfig.getString("f1BaseUrl", "staging.fellowshiponeapi.com"),
mConfig.getString("f1ChurchCode", "pfseawa"),
F1OAuthHelper.UserType.WEBLINK);
}
return mHelper;
}
@Override
protected Router createRouter() {
Router router = new Router(getContext());
final Authenticator defaultGuard = new SessionCheckingAuthenticator(getContext(), true);
defaultGuard.setNext(FreeMarkerPageResource.class);
router.attachDefault(defaultGuard);
router.attach("/", new Redirector(getContext(), "index.html", Redirector.MODE_CLIENT_PERMANENT));
router.attach("/login.html", LoginPageResource.class);
router.attach("/newaccount.html", NewAccountResource.class);
final Router accountRouter = new Router(getContext());
accountRouter.attach("/authenticate", AuthenticatedResource.class);
accountRouter.attach("", AccountRedirectResource.class);
accountRouter.attach("/assessment/question/{questionId}", SurveyPageResource.class);
accountRouter.attach("/assessment/results", AssessmentResultsPage.class);
accountRouter.attach("/assessment", SurveyPageResource.class);
accountRouter.attach("/training/{chapter}/completed", ChapterCompletePage.class);
accountRouter.attach("/training/{chapter}/videos/{videoId}.json", VideosResource.class);
accountRouter.attach("/training/{chapter}", TrainingPageResource.class);
accountRouter.attach("/training", TrainingPageResource.class);
final Authenticator accountGuard = createAuthenticatorChain(accountRouter);
router.attach("/account", accountGuard);
return router;
}
private Authenticator createAuthenticatorChain(Restlet last) {
final Context context = getContext();
final String loginPage = getConfig().getString("dynamicRoot", "") + "/login.html";
final String loginPost = getConfig().getString("dynamicRoot", "") + "/account/authenticate";
final String defaultPage = getConfig().getString("dynamicRoot", "") + "/account";
// This is used to check for an existing session
SessionCheckingAuthenticator sessionChk = new SessionCheckingAuthenticator(context, true);
// This is used to authenticate the user
SecondPartyVerifier f1Verifier = new SecondPartyVerifier(getHelper());
LoginFormAuthenticator loginAuth = new LoginFormAuthenticator(context, false, f1Verifier);
loginAuth.setLoginFormUrl(loginPage);
loginAuth.setLoginPostUrl(loginPost);
loginAuth.setDefaultPage(defaultPage);
// This is used to create a new session for a newly authenticated user.
SessionCreatingAuthenticator sessionCreate = new SessionCreatingAuthenticator(context);
sessionChk.setNext(loginAuth);
loginAuth.setNext(sessionCreate);
sessionCreate.setNext(last);
return sessionChk;
}
/**
* Stand-alone main for testing.
*/
public static void main(String[] args) {
// Start the HTTP Server
final Component component = new Component();
component.getServers().add(Protocol.HTTP, 8085);
component.getClients().add(Protocol.HTTP);
component.getClients().add(Protocol.HTTPS);
component.getClients().add(Protocol.FILE);
//component.getClients().add(new Client(null, Arrays.asList(Protocol.HTTPS), "org.restlet.ext.httpclient.HttpClientHelper"));
// Static content
try {
component.getDefaultHost().attach("/images/", new FileServingApp("./build/images/"));
component.getDefaultHost().attach("/scripts", new FileServingApp("./build/scripts"));
component.getDefaultHost().attach("/style.css", new FileServingApp("./build/style.css"));
component.getDefaultHost().attach("/favicon.ico", new FileServingApp("./build/favicon.ico"));
} catch (IOException e) {
LOG.error("Could not create directory for static resources: "
+ e.getMessage(), e);
}
// Setup App
GrowFrontend app = new GrowFrontend();
// Load an optional config file from the first argument.
app.getConfig().setDomain("dev");
if (args.length == 1) {
app.getConfig().updateConfig(args[0]);
}
component.getDefaultHost().attach(app);
// Setup shutdown hook
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
try {
component.stop();
} catch (Exception e) {
LOG.error("Exception during cleanup", e);
}
}
});
LOG.info("Starting server...");
try {
component.start();
} catch (Exception e) {
LOG.fatal("Could not start: " + e.getMessage(), e);
}
}
private static class FileServingApp extends Application {
private final String mPath;
public FileServingApp(String path) throws IOException {
mPath = new File(path).getAbsolutePath();
}
@Override
public Restlet createInboundRoot() {
return new Directory(getContext(), "file://" + mPath);
}
}
}
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