Pac4j example

Example.java

/*
 * Copyright 2015 the original author or authors.
 *
 * 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.
 */

import com.google.inject.AbstractModule;
import org.pac4j.openid.client.YahooOpenIdClient;
import org.pac4j.openid.profile.yahoo.YahooOpenIdProfile;
import ratpack.guice.Guice;
import ratpack.handling.Context;
import ratpack.handling.Handler;
import ratpack.pac4j.AbstractAuthorizer;
import ratpack.pac4j.Pac4jModule;
import ratpack.session.SessionModule;
import ratpack.session.store.MapSessionsModule;
import ratpack.test.embed.EmbeddedApp;

import static org.junit.Assert.assertEquals;

public class Example {

  public static class AuthenticateAllAuthorizer extends AbstractAuthorizer {
    @Override
    public boolean isAuthenticationRequired(Context context) {
      return true;
    }
  }

  public static class MyHandler implements Handler {
    @Override
    public void handle(Context ctx) throws Exception {
      ctx.render("Authenticated as " + ctx.getRequest().maybeGet(YahooOpenIdProfile.class).map(YahooOpenIdProfile::getDisplayName).orElse("noone"));
    }
  }

  public static class ServiceModule extends AbstractModule {
    protected void configure() {
      install(new SessionModule());
      install(new MapSessionsModule(10, 5));
      install(new Pac4jModule<>(new YahooOpenIdClient(), new AuthenticateAllAuthorizer()));
    }
  }

  public static void main(String... args) throws Exception {
    EmbeddedApp.of(s -> s
        .registry(Guice.registry(b -> b.module(ServiceModule.class)))
        .handler(r -> new MyHandler())
    ).test(httpClient -> {
      assertEquals("Authenticated as noone", httpClient.getText());
    });
  }

}