com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp Java Examples

/**
 * Creates an authorized Credential object.
 *
 * @return an authorized Credential object.
 * @throws IOException In the event authorization fails.
 */
private static Credential authorize() throws IOException {
	// Load client secrets.
	//InputStream in = CalendarAuth.class.getResourceAsStream("/client_secret.json"); <- incase it breaks, this is still here
	InputStream in = new FileInputStream(new File("client_secret.json"));
	GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

	// Build flow and trigger user authorization request.
	GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES).setDataStoreFactory(DATA_STORE_FACTORY).setAccessType("offline").build();
	Credential credential = new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
	Logger.getLogger().debug("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath(), false);

	//Try to close input stream since I don't think it was ever closed?
	in.close();

	return credential;
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = Main.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 *
 * @return an authorized Credential object.
 * @throws IOException
 */
public static Credential authorize() throws IOException {
    // Load client secrets.
    InputStream in = DriveActivityQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets =
            GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
                    .setDataStoreFactory(DATA_STORE_FACTORY)
                    .setAccessType("offline")
                    .build();
    Credential credential =
            new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver())
                    .authorize("user");
    System.out.println("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
    return credential;
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = AdminSDKDirectoryQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

private static Credentials getUserCredentials(String credentialsPath, List<String> selectedScopes)
    throws IOException, GeneralSecurityException {
  GoogleClientSecrets clientSecrets =
      GoogleClientSecrets.load(
          JSON_FACTORY, new InputStreamReader(new FileInputStream(credentialsPath)));
  String clientId = clientSecrets.getDetails().getClientId();
  String clientSecret = clientSecrets.getDetails().getClientSecret();

  GoogleAuthorizationCodeFlow flow =
      new GoogleAuthorizationCodeFlow.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JSON_FACTORY,
              clientSecrets,
              selectedScopes)
          .setDataStoreFactory(new FileDataStoreFactory(DATA_STORE_DIR))
          .setAccessType("offline")
          .build();
  LocalServerReceiver receiver =
      new LocalServerReceiver.Builder().setPort(LOCAL_RECEIVER_PORT).build();
  Credential credential = new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
  return UserCredentials.newBuilder()
      .setClientId(clientId)
      .setClientSecret(clientSecret)
      .setRefreshToken(credential.getRefreshToken())
      .build();
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = AdminSDKReportsQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = GmailQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = CalendarQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/** Authorizes the installed application to access user's protected data. */
public static Credential authorize(List<String> scopes) throws Exception {
  // Load client secrets.
  GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY,
      new InputStreamReader(SyncTokenSample.class.getResourceAsStream("/client_secrets.json")));
  if (clientSecrets.getDetails().getClientId().startsWith("Enter")
      || clientSecrets.getDetails().getClientSecret().startsWith("Enter")) {
    System.out.println(
        "Overwrite the src/main/resources/client_secrets.json file with the client secrets file "
        + "you downloaded from your Google Developers Console project.");
    System.exit(1);
  }

  GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(httpTransport,
      JSON_FACTORY, clientSecrets, scopes).setDataStoreFactory(dataStoreFactory).build();
  // Authorize.
  LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
  return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @return an authorized Credential object.
 * @throws IOException
 */
public static Credential authorize() throws IOException {
    // Load client secrets.
    InputStream in =
        Quickstart.class.getResourceAsStream("/credentials.json");
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets =
            GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                    HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(DATA_STORE_FACTORY)
            .setAccessType("offline")
            .build();
    Credential credential = new AuthorizationCodeInstalledApp(
        flow, new LocalServerReceiver()).authorize("user");
    System.out.println(
            "Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
    return credential;
}
 

/**
 * Creates an authorized Credential object.
 *
 * @return an authorized Credential object.
 * @throws IOException
 */
public static Credential authorize() throws IOException {
  // Load client secrets.
  InputStream in = MigrationHelper.class.getResourceAsStream("/credentials.json");
  GoogleClientSecrets clientSecrets =
      GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

  // Build flow and trigger user authorization request.
  GoogleAuthorizationCodeFlow flow =
      new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
          .setDataStoreFactory(DATA_STORE_FACTORY)
          .setAccessType("offline")
          .build();
  Credential credential =
      new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
  System.out.println("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
  return credential;
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = SlidesQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = AppsScriptQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = PeopleQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = SheetsQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = ClassroomQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = DriveQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @return an authorized Credential object.
 * @throws IOException
 */
public static Credential authorize() throws IOException {
    // Load client secrets.
    InputStream in =
        DriveActivityQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets =
            GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                    HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(DATA_STORE_FACTORY)
            .setAccessType("offline")
            .build();
    Credential credential = new AuthorizationCodeInstalledApp(
        flow, new LocalServerReceiver()).authorize("user");
    System.out.println(
            "Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
    return credential;
}
 

/** Authorizes the installed application to access user's protected data. */
private static Credential authorize() throws Exception {
  // load client secrets
  GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY,
      new InputStreamReader(AdExchangeSellerSample.class.getResourceAsStream(
          "/client_secrets.json")));
  if (clientSecrets.getDetails().getClientId().startsWith("Enter")
      || clientSecrets.getDetails().getClientSecret().startsWith("Enter ")) {
    System.out.println("Enter Client ID and Secret from "
        + "https://code.google.com/apis/console/?api=adexchangeseller into "
        + "adexchangeseller-cmdline-sample/src/main/resources/client_secrets.json");
    System.exit(1);
  }
  // set up authorization code flow
  GoogleAuthorizationCodeFlow flow =
      new GoogleAuthorizationCodeFlow.Builder(
          httpTransport,
          JSON_FACTORY,
          clientSecrets,
          Collections.singleton(AdExchangeSellerScopes.ADEXCHANGE_SELLER_READONLY)
      ).setDataStoreFactory(dataStoreFactory).build();
  // authorize
  return new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
}
 

/** Authorizes the installed application to access user's protected data. */
private static Credential authorize() throws Exception {
  // load client secrets
  GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY,
      new InputStreamReader(AdExchangeSellerSample.class.getResourceAsStream(
          "/client_secrets.json")));
  if (clientSecrets.getDetails().getClientId().startsWith("Enter")
      || clientSecrets.getDetails().getClientSecret().startsWith("Enter ")) {
    System.out.println("Enter Client ID and Secret from "
        + "https://code.google.com/apis/console/?api=adexchangeseller into "
        + "adexchangeseller-cmdline-sample/src/main/resources/client_secrets.json");
    System.exit(1);
  }
  // set up authorization code flow
  GoogleAuthorizationCodeFlow flow =
      new GoogleAuthorizationCodeFlow.Builder(
          httpTransport,
          JSON_FACTORY,
          clientSecrets,
          Collections.singleton(AdExchangeSellerScopes.ADEXCHANGE_SELLER_READONLY)
      ).setDataStoreFactory(dataStoreFactory).build();
  // authorize
  return new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
}
 

/** Authorizes the installed application to access user's protected data. */
private static Credential authorize() throws Exception {
    // set up authorization code flow
    String clientId = "pkce-test-client";
    AuthorizationCodeFlow flow = new AuthorizationCodeFlow.Builder(
            BearerToken.authorizationHeaderAccessMethod(),
            HTTP_TRANSPORT,
            JSON_FACTORY,
            new GenericUrl(TOKEN_SERVER_URL),
            new ClientParametersAuthentication(clientId, null),
            clientId,
            AUTHORIZATION_SERVER_URL)
            .setScopes(Arrays.asList(SCOPE))
            .enablePKCE()
            .setDataStoreFactory(DATA_STORE_FACTORY).build();
    // authorize
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setHost("127.0.0.1").build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/** Authorizes the installed application to access user's protected data. */
private static Credential authorize() throws Exception {
  OAuth2ClientCredentials.errorIfNotSpecified();
  // set up authorization code flow
  AuthorizationCodeFlow flow = new AuthorizationCodeFlow.Builder(BearerToken
      .authorizationHeaderAccessMethod(),
      HTTP_TRANSPORT,
      JSON_FACTORY,
      new GenericUrl(TOKEN_SERVER_URL),
      new ClientParametersAuthentication(
          OAuth2ClientCredentials.API_KEY, OAuth2ClientCredentials.API_SECRET),
      OAuth2ClientCredentials.API_KEY,
      AUTHORIZATION_SERVER_URL).setScopes(Arrays.asList(SCOPE))
      .setDataStoreFactory(DATA_STORE_FACTORY).build();
  // authorize
  LocalServerReceiver receiver = new LocalServerReceiver.Builder().setHost(
      OAuth2ClientCredentials.DOMAIN).setPort(OAuth2ClientCredentials.PORT).build();
  return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Authorizes the installed application to access user's protected data.
 */
private Credential authorize() throws Exception {
    // load client secrets
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY,
            new InputStreamReader(GFile.class.getResourceAsStream("/client_secrets.json")));
    if (clientSecrets.getDetails().getClientId().startsWith("Enter")
            || clientSecrets.getDetails().getClientSecret().startsWith("Enter ")) {
        System.out.println("Overwrite the src/main/resources/client_secrets.json file with the client secrets file "
                + "you downloaded from the Quickstart tool or manually enter your Client ID and Secret "
                + "from https://code.google.com/apis/console/?api=drive#project:275751503302 "
                + "into src/main/resources/client_secrets.json");
        System.exit(1);
    }
    // set up authorization code flow
    Set<String> scopes = new HashSet<>();
    scopes.add(DriveScopes.DRIVE);
    scopes.add(DriveScopes.DRIVE_METADATA);

    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(httpTransport, JSON_FACTORY, clientSecrets, scopes)
            .setDataStoreFactory(dataStoreFactory).build();
    // authorize
    return new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver.Builder().setPort(authPort).build()).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private static Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT) throws IOException {
    // Load client secrets.
    InputStream in = TasksQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
    if (in == null) {
        throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
    }
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
            .setAccessType("offline")
            .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}
 

/**
 * Authorizes the installed application to access user's protected data.
 */
public static void authorize(String userID, boolean driveAPI) throws IOException {
    // load client secrets

    // set up authorization code flow
    Collection<String> scopes = new ArrayList<String>();
    scopes.add(GamesScopes.GAMES);
    if (driveAPI)
        scopes.add(DriveScopes.DRIVE_APPDATA);

    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(httpTransport, JSON_FACTORY,
            clientSecrets, scopes).setDataStoreFactory(dataStoreFactory).build();
    // authorize
    Credential credential = new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()) {
        // Override open browser not working well on Linux and maybe other
        // OS.
        protected void onAuthorization(AuthorizationCodeRequestUrl authorizationUrl) throws java.io.IOException {
            Gdx.net.openURI(authorizationUrl.build());
        }
    }.authorize(userID);

    games = new Games.Builder(httpTransport, JSON_FACTORY, credential).setApplicationName(applicationName).build();
    if (driveAPI)
        drive = new Drive.Builder(httpTransport, JSON_FACTORY, credential).setApplicationName(applicationName).build();

}
 

public Credential authorize(String clientSecretJSON) throws Exception {
    GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY,
                                                                 new StringReader(clientSecretJSON));

    GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
            HTTP_TRANSPORT,
            JSON_FACTORY,
            clientSecrets,
            Collections.singleton(SheetsScopes.SPREADSHEETS_READONLY))
            .build();

    return new AuthorizationCodeInstalledApp(flow,
                                             new LocalServerReceiver()).authorize("user");
}
 

public Credential authorize(String clientSecretJSON) throws Exception {
    GoogleClientSecrets clientSecrets =
            GoogleClientSecrets.load(JSON_FACTORY,
                                     new StringReader(clientSecretJSON));

    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                    HTTP_TRANSPORT,
                    JSON_FACTORY,
                    clientSecrets,
                    SCOPES)
                    .setAccessType("offline")
                    .build();
    Credential credential = new AuthorizationCodeInstalledApp(
            flow,
            new LocalServerReceiver()).authorize("user");
    return credential;
}
 

public Credential authorize(String clientSecretJSON) throws Exception {
    GoogleClientSecrets clientSecrets =
            GoogleClientSecrets.load(JSON_FACTORY,
                                     new StringReader(clientSecretJSON));

    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                    HTTP_TRANSPORT,
                    JSON_FACTORY,
                    clientSecrets,
                    SCOPES)
                    .build();
    Credential credential = new AuthorizationCodeInstalledApp(
            flow,
            new LocalServerReceiver()).authorize("user");
    return credential;
}
 

/**
 * Authorizes the installed application to access user's protected data.
 *
 * @param scopes list of scopes needed to run youtube upload.
 * @param clientSecret the client secret from Google API console
 * @param credentialDatastore name of the credential datastore to cache OAuth tokens
 */
public static Credential authorize(
    Collection<String> scopes, String clientSecret, String credentialDatastore)
    throws IOException {
  // Load client secrets
  GoogleClientSecrets clientSecrets =
      GoogleClientSecrets.load(JSON_FACTORY, new StringReader(clientSecret));

  // This creates the credentials datastore at ~/.oauth-credentials/${credentialDatastore}
  FileDataStoreFactory fileDataStoreFactory =
      new FileDataStoreFactory(new File(getCredentialsDirectory()));
  DataStore<StoredCredential> datastore = fileDataStoreFactory.getDataStore(credentialDatastore);

  GoogleAuthorizationCodeFlow flow =
      new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, scopes)
          .setCredentialDataStore(datastore)
          .build();

  // authorize
  return new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
}
 

/**
 * Creates an authorized Credential object.
 *
 * @param HTTP_TRANSPORT The network HTTP Transport.
 * @return An authorized Credential object.
 * @throws IOException If the credentials.json file cannot be found.
 */
private Credential getCredentials(final NetHttpTransport HTTP_TRANSPORT)
        throws IOException {
    // Load client secrets.
    GoogleClientSecrets secrets =
            GoogleClientSecrets.load(JSON_FACTORY, new FileReader(credentials));

    // Build flow and trigger user authorization request.
    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY, secrets, SCOPES)
                    .setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
                    .setAccessType("offline")
                    .build();
    LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
    return new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
}