Java tutorial
// Copyright 2013 Google Inc. All Rights Reserved. // // 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. package xsm.axis.auth; import com.google.api.ads.common.lib.conf.ConfigurationLoadException; import com.google.api.ads.common.lib.exception.ValidationException; import com.google.api.ads.dfp.axis.factory.DfpServices; import com.google.api.ads.dfp.axis.v201306.Network; import com.google.api.ads.dfp.axis.v201306.NetworkServiceInterface; import com.google.api.ads.dfp.lib.client.DfpSession; import com.google.api.client.auth.oauth2.CredentialStore; import com.google.api.client.auth.oauth2.MemoryCredentialStore; import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow; import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeTokenRequest; import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; import com.google.api.client.googleapis.auth.oauth2.GoogleTokenResponse; import com.google.api.client.http.javanet.NetHttpTransport; import com.google.api.client.json.jackson2.JacksonFactory; import com.google.common.collect.Lists; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /** * This example demonstrates how to create a Credential object from scratch.<br> * This example is *not* meant to be used with our other examples, but shows * how you might use the general OAuth2 libraries to add OAuth2 to your * existing application.<br> * <br> * For an alternative to service accounts, installed applications, or a web * application that will not need to have multiple users log in, using * OfflineCredentials to generate a refreshable OAuth2 * credential instead will be much easier. * * @author Adam Rogal */ public class AdvancedCreateCredentialFromScratch { private static final String SCOPE = "https://www.google.com/apis/ads/publisher"; // This callback URL will allow you to copy the token from the success screen. // This must match the one associated with your client ID. private static final String CALLBACK_URL = "urn:ietf:wg:oauth:2.0:oob"; // If you do not have a client ID or secret, please create one in the // API console: https://code.google.com/apis/console#access private static final String CLIENT_ID = "INSERT_CLIENT_ID_HERE"; private static final String CLIENT_SECRET = "INSERT_CLIENT_SECRET_HERE"; // The current user that is authenticating. This is typically a primary key // you define yourself that you will reference later in your code when // you retrieve the credential for that user. private static final String USER_ID = "INSERT_USER_ID_HERE"; private static void authorize(CredentialStore credentialStore, String userId) throws Exception { // Depending on your application, there may be more appropriate ways of // performing the authorization flow (such as on a servlet), see // https://code.google.com/p/google-api-java-client/wiki/OAuth2#Authorization_Code_Flow // for more information. GoogleAuthorizationCodeFlow authorizationFlow = new GoogleAuthorizationCodeFlow.Builder( new NetHttpTransport(), new JacksonFactory(), CLIENT_ID, CLIENT_SECRET, Lists.newArrayList(SCOPE)) .setCredentialStore(credentialStore) // Set the access type to offline so that the token can be refreshed. // By default, the library will automatically refresh tokens when it // can, but this can be turned off by setting // api.dfp.refreshOAuth2Token=false in your ads.properties file. .setAccessType("offline").build(); String authorizeUrl = authorizationFlow.newAuthorizationUrl().setRedirectUri(CALLBACK_URL).build(); System.out.println("Paste this url in your browser: \n" + authorizeUrl + '\n'); // Wait for the authorization code. System.out.println("Type the code you received here: "); String authorizationCode = new BufferedReader(new InputStreamReader(System.in)).readLine(); // Authorize the OAuth2 token. GoogleAuthorizationCodeTokenRequest tokenRequest = authorizationFlow.newTokenRequest(authorizationCode); tokenRequest.setRedirectUri(CALLBACK_URL); GoogleTokenResponse tokenResponse = tokenRequest.execute(); // Store the credential for the user. authorizationFlow.createAndStoreCredential(tokenResponse, userId); } private static DfpSession createDfpSession(CredentialStore credentialStore, String userId) throws IOException, ValidationException, ConfigurationLoadException { // Create a GoogleCredential with minimal information. GoogleCredential credential = new GoogleCredential.Builder().setJsonFactory(new JacksonFactory()) .setTransport(new NetHttpTransport()).setClientSecrets(CLIENT_ID, CLIENT_SECRET).build(); // Load the credential. credentialStore.load(userId, credential); // Construct a DfpSession. return new DfpSession.Builder().fromFile().withOAuth2Credential(credential).build(); } public static void runExample(DfpServices dfpServices, DfpSession session) throws Exception { // Get the NetworkService. NetworkServiceInterface networkService = dfpServices.get(session, NetworkServiceInterface.class); // Gets the current network. Network network = networkService.getCurrentNetwork(); System.out.printf("Current network has network code \"%s\" and display name \"%s\".\n", network.getNetworkCode(), network.getDisplayName()); } public static void main(String[] args) throws Exception { if (CLIENT_ID.equals("INSERT_CLIENT_ID_HERE") || CLIENT_SECRET.equals("INSERT_CLIENT_SECRET_HERE")) { throw new IllegalArgumentException( "Please input your client IDs or secret. " + "See https://code.google.com/apis/console#access"); } // It is highly recommended that you use a credential store in your // application to store a per-user Credential. // See: https://code.google.com/p/google-oauth-java-client/wiki/OAuth2 CredentialStore credentialStore = new MemoryCredentialStore(); // Authorize and store your credential. authorize(credentialStore, USER_ID); // Create a DfpSession from the credential store. You will typically do this // in a servlet interceptor for a web application or per separate thread // of your offline application. DfpSession dfpSession = createDfpSession(credentialStore, USER_ID); DfpServices dfpServices = new DfpServices(); runExample(dfpServices, dfpSession); } }