// 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 dfp.axis.auth;
import com.google.api.ads.common.lib.auth.GoogleClientSecretsBuilder;
import com.google.api.ads.common.lib.auth.GoogleClientSecretsBuilder.Api;
import com.google.api.ads.common.lib.exception.ValidationException;
import com.google.api.client.auth.oauth2.Credential;
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.GoogleClientSecrets;
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.InputStreamReader;
/**
* This example will create an OAuth2 refresh token that can be used with the
* OfflineCredentials utility. Please copy the refresh token into your
* ads.properites file after running.
*
* This example is meant to be run from the command line and requires user
* input.
*
* Credentials and properties in {@code fromFile()} are pulled from the
* "ads.properties" file. See README for more info.
*
* @author Adam Rogal
*/
public class GetRefreshToken {
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.
private static final String CALLBACK_URL = "urn:ietf:wg:oauth:2.0:oob";
private static Credential getOAuth2Credential(GoogleClientSecrets clientSecrets)
throws Exception {
GoogleAuthorizationCodeFlow authorizationFlow = new GoogleAuthorizationCodeFlow.Builder(
new NetHttpTransport(),
new JacksonFactory(),
clientSecrets,
Lists.newArrayList(SCOPE))
// 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();
// Create the OAuth2 credential.
GoogleCredential credential = new GoogleCredential.Builder()
.setTransport(new NetHttpTransport())
.setJsonFactory(new JacksonFactory())
.setClientSecrets(clientSecrets)
.build();
// Set authorized credentials.
credential.setFromTokenResponse(tokenResponse);
return credential;
}
public static void main(String[] args) throws Exception {
// Get the client ID and secret from the ads.properties file.
// If you do not have a client ID or secret, please create one in the
// API console: https://code.google.com/apis/console#access and set it
// in the ads.properties file.
GoogleClientSecrets clientSecrets = null;
try {
clientSecrets = new GoogleClientSecretsBuilder()
.forApi(Api.DFP)
.fromFile()
.build();
} catch (ValidationException e) {
System.err.println(
"Please input your client ID and secret into your ads.properties file, which is either "
+ "located in your home directory in your src/main/resources directory, or "
+ "on your classpath. If you do not have a client ID or secret, please create one in "
+ "the API console: https://code.google.com/apis/console#access");
System.exit(1);
}
// Get the OAuth2 credential.
Credential credential = getOAuth2Credential(clientSecrets);
System.out.printf("Your refresh token is: %s\n", credential.getRefreshToken());
// Enter the refresh token into your ads.properties file.
System.out.printf("In your ads.properties file, modify:\n\napi.dfp.refreshToken=%s\n",
credential.getRefreshToken());
}
}