Java tutorial
/** * Copyright (C) 2010-2016 Structr GmbH * * This file is part of Structr <http://structr.org>. * * Structr is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Structr is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with Structr. If not, see <http://www.gnu.org/licenses/>. */ package org.structr.web.auth; import com.google.gson.JsonArray; import com.google.gson.JsonElement; import com.google.gson.JsonParser; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.http.HttpServletRequest; import org.apache.oltu.oauth2.client.response.OAuthResourceResponse; import org.structr.core.app.StructrApp; /** * * */ public class GitHubAuthClient extends StructrOAuthClient { private static final Logger logger = Logger.getLogger(GitHubAuthClient.class.getName()); public GitHubAuthClient() { } ; @Override public String getScope() { return "user:email"; } @Override public ResponseFormat getResponseFormat() { return ResponseFormat.json; } @Override public String getUserResourceUri() { return StructrApp.getConfigurationValue("oauth.github.user_details_resource_uri", ""); } @Override public String getReturnUri() { return StructrApp.getConfigurationValue("oauth.github.return_uri", "/"); } @Override public String getErrorUri() { return StructrApp.getConfigurationValue("oauth.github.error_uri", "/"); } @Override public String getCredential(final HttpServletRequest request) { OAuthResourceResponse userResponse = getUserResponse(request); if (userResponse == null) { return null; } String body = userResponse.getBody(); logger.log(Level.FINE, "User response body: {0}", body); final JsonParser parser = new JsonParser(); final JsonElement result = parser.parse(body); if (result instanceof JsonArray) { final JsonArray arr = (JsonArray) result; if (arr.iterator().hasNext()) { final JsonElement el = arr.iterator().next(); final String address = el.getAsJsonObject().get("email").getAsString(); logger.log(Level.INFO, "Got 'email' credential from GitHub: {0}", address); return address; } } return null; } }