001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *      André Justo
018 */
019package org.nuxeo.ecm.media.publishing.youtube;
020
021import com.google.api.client.http.GenericUrl;
022import com.google.api.client.http.HttpRequestFactory;
023import com.google.api.client.http.HttpResponse;
024import com.google.api.client.json.GenericJson;
025import com.google.api.client.json.JsonObjectParser;
026import org.nuxeo.ecm.platform.oauth2.providers.AbstractOAuth2UserEmailProvider;
027
028import java.io.IOException;
029
030/**
031 * @since 7.3
032 */
033public class YoutubeOAuth2ServiceProvider extends AbstractOAuth2UserEmailProvider {
034
035    private static final String TOKEN_INFO_URL = "https://www.googleapis.com/oauth2/v1/tokeninfo";
036
037    private static final HttpRequestFactory requestFactory =
038        HTTP_TRANSPORT.createRequestFactory(request -> request.setParser(new JsonObjectParser(JSON_FACTORY)));
039
040    @Override
041    protected String getUserEmail(String accessToken) throws IOException {
042        GenericUrl url = new GenericUrl(TOKEN_INFO_URL);
043        url.set("access_token", accessToken);
044
045        HttpResponse response = requestFactory.buildGetRequest(url).execute();
046        GenericJson json = response.parseAs(GenericJson.class);
047        return (String) json.get("email");
048    }
049}