[GitHub] usergrid pull request #574: Add google OAuth2 provider

[rodsimpson <gi...@git.apache.org>]

Github user rodsimpson commented on a diff in the pull request:

    https://github.com/apache/usergrid/pull/574#discussion_r213308139
  
    --- Diff: stack/services/src/main/java/org/apache/usergrid/security/providers/GoogleProvider.java ---
    @@ -0,0 +1,192 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You 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.apache.usergrid.security.providers;
    +
    +
    +import org.apache.usergrid.management.ManagementService;
    +import org.apache.usergrid.persistence.EntityManager;
    +import org.apache.usergrid.persistence.Query;
    +import org.apache.usergrid.persistence.Results;
    +import org.apache.usergrid.persistence.entities.User;
    +import org.apache.usergrid.persistence.index.query.Identifier;
    +import org.apache.usergrid.security.tokens.exceptions.BadTokenException;
    +import org.apache.usergrid.utils.JsonUtils;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import javax.ws.rs.core.MediaType;
    +import java.util.LinkedHashMap;
    +import java.util.Map;
    +
    +import static org.apache.usergrid.persistence.Schema.PROPERTY_MODIFIED;
    +import static org.apache.usergrid.utils.ListUtils.anyNull;
    +
    +
    +/**
    + * Provider implementation for sign-in-as with facebook
    + *
    + * @author zznate
    + */
    +@SuppressWarnings("Duplicates")
    +public class GoogleProvider extends AbstractProvider {
    +    private static final String DEF_API_URL = "https://www.googleapis.com/userinfo/v2/me";
    +
    +    private static final Logger logger = LoggerFactory.getLogger(GoogleProvider.class);
    +
    +    private String apiUrl = DEF_API_URL;
    +
    +
    +    GoogleProvider(EntityManager entityManager, ManagementService managementService) {
    +        super(entityManager, managementService);
    +    }
    +
    +
    +    @Override
    +    void configure() {
    +        try {
    +            Map config = loadConfigurationFor("googleProvider");
    +            if (config != null) {
    +                String foundApiUrl = (String) config.get("google_api_url");
    +                if (foundApiUrl != null) {
    +                    apiUrl = foundApiUrl;
    +                }
    +            }
    +        } catch (Exception ex) {
    +            logger.error("Error in configure()", ex);
    +        }
    +    }
    +
    +
    +    @Override
    +    public Map<Object, Object> loadConfigurationFor() {
    +        return loadConfigurationFor("googleProvider");
    +    }
    +
    +
    +    /**
    +     * Configuration parameters we look for: <ul> <li>api_url</li> <li>pic_url</li> </ul>
    +     */
    +    @Override
    +    public void saveToConfiguration(Map<String, Object> config) {
    +        saveToConfiguration("googleProvider", config);
    +    }
    +
    +
    +    @SuppressWarnings("unchecked")
    +    @Override
    +    Map<String, Object> userFromResource(String externalToken) {
    +
    +        return client.target(apiUrl)
    +                .queryParam("access_token", externalToken)
    +                .request()
    +                .accept(MediaType.APPLICATION_JSON)
    +                .get(Map.class);
    +    }
    +
    +
    +    @Override
    +    public User createOrAuthenticate(String externalToken) throws BadTokenException {
    +
    +        Map<String, Object> google_user = userFromResource(externalToken);
    +
    +        String id = (String) google_user.get("id");
    +        String user_name = (String) google_user.get("name");
    +        String user_email = (String) google_user.get("email");
    +        String user_picture = (String) google_user.get("picture");
    +
    +        if (logger.isDebugEnabled()) {
    +            logger.debug("FacebookProvider.createOrAuthenticate: {}", JsonUtils.mapToFormattedJsonString(google_user));
    --- End diff --
    
    Lots of facebook references here


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