Java GoogleCredential類代碼示例

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/** Builds a new Pubsub client and returns it. */
public static Pubsub getClient(final HttpTransport httpTransport, final JsonFactory jsonFactory)
    throws IOException {
  checkNotNull(httpTransport);
  checkNotNull(jsonFactory);
  GoogleCredential credential =
      GoogleCredential.getApplicationDefault(httpTransport, jsonFactory);
  if (credential.createScopedRequired()) {
    credential = credential.createScoped(PubsubScopes.all());
  }
  if (credential.getClientAuthentication() != null) {
    System.out.println(
        "\n***Warning! You are not using service account credentials to "
            + "authenticate.\nYou need to use service account credentials for this example,"
            + "\nsince user-level credentials do not have enough pubsub quota,\nand so you will run "
            + "out of PubSub quota very quickly.\nSee "
            + "https://developers.google.com/identity/protocols/application-default-credentials.");
    System.exit(1);
  }
  HttpRequestInitializer initializer = new RetryHttpInitializerWrapper(credential);
  return new Pubsub.Builder(httpTransport, jsonFactory, initializer)
      .setApplicationName(APP_NAME)
      .build();
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
static KubernetesClient createKubernetesClient(ContainerEngineCluster gkeCluster) {
  try {
    final GoogleCredential credential = GoogleCredential.getApplicationDefault()
        .createScoped(ContainerScopes.all());
    final Container gke = new Container.Builder(credential.getTransport(), credential.getJsonFactory(), credential)
        .setApplicationName("hype")
        .build();

    final Cluster cluster = gke.projects().zones().clusters()
        .get(gkeCluster.project(), gkeCluster.zone(), gkeCluster.cluster())
        .execute();

    final io.fabric8.kubernetes.client.Config kubeConfig = new ConfigBuilder()
        .withMasterUrl("https://" + cluster.getEndpoint())
        .withCaCertData(cluster.getMasterAuth().getClusterCaCertificate())
        .withClientCertData(cluster.getMasterAuth().getClientCertificate())
        .withClientKeyData(cluster.getMasterAuth().getClientKey())
        .build();

    return new DefaultKubernetesClient(kubeConfig).inNamespace(NAMESPACE);
  } catch (IOException e) {
    throw Throwables.propagate(e);
  }
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
     * Setup authorization for local app based on private key.
     * See <a href="https://cloud.google.com/pubsub/configure">cloud.google.com/pubsub/configure</a>
     */
    private void createClient(String private_key_file, String email) throws IOException, GeneralSecurityException {
        HttpTransport transport = GoogleNetHttpTransport.newTrustedTransport();
        GoogleCredential credential = new GoogleCredential.Builder()
                .setTransport(transport)
                .setJsonFactory(JSON_FACTORY)
                .setServiceAccountScopes(PubsubScopes.all())
                .setServiceAccountId(email)
                .setServiceAccountPrivateKeyFromP12File(new File(private_key_file))
                .build();
        // Please use custom HttpRequestInitializer for automatic retry upon failures.
//        HttpRequestInitializer initializer = new RetryHttpInitializerWrapper(credential);
        pubsub = new Pubsub.Builder(transport, JSON_FACTORY, credential)
                .setApplicationName("eaipubsub")
                .build();
    }
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
@Override
public Credential create() {
	// TODO(joaomartins): Consider supporting Spring Resources as credential locations. There
	// would need to be a way to create or inject a Spring context here statically, to load
	// the resource from there.
	String credentialResourceLocation = System.getProperty(CREDENTIAL_LOCATION_PROPERTY_NAME);
	if (credentialResourceLocation == null) {
		if (LOGGER.isDebugEnabled()) {
			LOGGER.debug(CREDENTIAL_LOCATION_PROPERTY_NAME + " property does not exist. "
					+ "Socket factory will use application default credentials.");
		}
		return null;
	}

	try {
		return GoogleCredential.fromStream(new FileInputStream(credentialResourceLocation))
				.createScoped(Collections.singleton(GcpScope.SQLADMIN.getUrl()));
	}
	catch (IOException ioe) {
		LOGGER.warn("There was an error loading Cloud SQL credential.", ioe);
		return null;
	}
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
 * Retrieve a valid access token that can be use to authorize requests to the FCM REST
 * API.
 *
 * @return Access token.
 * @throws IOException
 */
// [START retrieve_access_token]
private static String getAccessToken() throws IOException {
  GoogleCredential googleCredential = GoogleCredential
      .fromStream(new FileInputStream("service-account.json"))
      .createScoped(Arrays.asList(SCOPES));
  googleCredential.refreshToken();
  return googleCredential.getAccessToken();
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
@Test
public void createOptionsWithOnlyMandatoryValuesSet() throws IOException, InterruptedException {
  FirebaseOptions firebaseOptions =
      new FirebaseOptions.Builder()
          .setCredentials(GoogleCredentials.fromStream(ServiceAccount.EDITOR.asStream()))
          .build();
  assertNotNull(firebaseOptions.getJsonFactory());
  assertNotNull(firebaseOptions.getHttpTransport());
  assertNotNull(firebaseOptions.getThreadManager());
  assertNull(firebaseOptions.getDatabaseUrl());
  assertNull(firebaseOptions.getStorageBucket());

  GoogleCredentials credentials = firebaseOptions.getCredentials();
  assertNotNull(credentials);
  assertTrue(credentials instanceof ServiceAccountCredentials);
  assertEquals(
      GoogleCredential.fromStream(ServiceAccount.EDITOR.asStream()).getServiceAccountId(),
      ((ServiceAccountCredentials) credentials).getClientEmail());
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
@Test
public void createOptionsWithFirebaseCredential() throws IOException {
  FirebaseOptions firebaseOptions =
      new FirebaseOptions.Builder()
          .setCredential(FirebaseCredentials.fromCertificate(ServiceAccount.EDITOR.asStream()))
          .build();

  assertNotNull(firebaseOptions.getJsonFactory());
  assertNotNull(firebaseOptions.getHttpTransport());
  assertNull(firebaseOptions.getDatabaseUrl());
  assertNull(firebaseOptions.getStorageBucket());

  GoogleCredentials credentials = firebaseOptions.getCredentials();
  assertNotNull(credentials);
  assertTrue(credentials instanceof ServiceAccountCredentials);
  assertEquals(
      GoogleCredential.fromStream(ServiceAccount.EDITOR.asStream()).getServiceAccountId(),
      ((ServiceAccountCredentials) credentials).getClientEmail());
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
 * HTTP request initializer that loads credentials from the service account file
 * and manages authentication for HTTP requests
 */
private GoogleCredential loadCredentials(String serviceAccount) throws IOException {
    if (serviceAccount == null) {
        throw new ElasticsearchException("Cannot load Google Cloud Storage service account file from a null path");
    }

    Path account = environment.configFile().resolve(serviceAccount);
    if (Files.exists(account) == false) {
        throw new ElasticsearchException("Unable to find service account file [" + serviceAccount
                + "] defined for repository");
    }

    try (InputStream is = Files.newInputStream(account)) {
        GoogleCredential credential = GoogleCredential.fromStream(is);
        if (credential.createScopedRequired()) {
            credential = credential.createScoped(Collections.singleton(StorageScopes.DEVSTORAGE_FULL_CONTROL));
        }
        return credential;
    }
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
 * Builds a new Pubsub client and returns it.
 */
public static Pubsub getClient(final HttpTransport httpTransport,
                               final JsonFactory jsonFactory)
         throws IOException {
    checkNotNull(httpTransport);
    checkNotNull(jsonFactory);
    GoogleCredential credential =
        GoogleCredential.getApplicationDefault(httpTransport, jsonFactory);
    if (credential.createScopedRequired()) {
        credential = credential.createScoped(PubsubScopes.all());
    }
    if (credential.getClientAuthentication() != null) {
      System.out.println("\n***Warning! You are not using service account credentials to "
        + "authenticate.\nYou need to use service account credentials for this example,"
        + "\nsince user-level credentials do not have enough pubsub quota,\nand so you will run "
        + "out of PubSub quota very quickly.\nSee "
        + "https://developers.google.com/identity/protocols/application-default-credentials.");
      System.exit(1);
    }
    HttpRequestInitializer initializer =
        new RetryHttpInitializerWrapper(credential);
    return new Pubsub.Builder(httpTransport, jsonFactory, initializer)
            .setApplicationName(APP_NAME)
            .build();
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
 * Return the Projects api object used for accessing the Cloud Resource Manager Projects API.
 * @return Projects api object used for accessing the Cloud Resource Manager Projects API
 * @throws GeneralSecurityException Thrown if there's a permissions error.
 * @throws IOException Thrown if there's an IO error initializing the API object.
 */
public static synchronized Projects getProjectsApiStub()
    throws GeneralSecurityException, IOException {
  if (projectApiStub != null) {
    return projectApiStub;
  }
  HttpTransport transport;
  GoogleCredential credential;
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  transport = GoogleNetHttpTransport.newTrustedTransport();
  credential = GoogleCredential.getApplicationDefault(transport, jsonFactory);
  if (credential.createScopedRequired()) {
    Collection<String> scopes = CloudResourceManagerScopes.all();
    credential = credential.createScoped(scopes);
  }
  projectApiStub = new CloudResourceManager
      .Builder(transport, jsonFactory, credential)
      .build()
      .projects();
  return projectApiStub;
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
 * Get the API stub for accessing the IAM Service Accounts API.
 * @return ServiceAccounts api stub for accessing the IAM Service Accounts API.
 * @throws IOException Thrown if there's an IO error initializing the api connection.
 * @throws GeneralSecurityException Thrown if there's a security error
 * initializing the connection.
 */
public static ServiceAccounts getServiceAccountsApiStub() throws IOException, GeneralSecurityException {
  if (serviceAccountsApiStub == null) {
    HttpTransport transport;
    GoogleCredential credential;
    JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
    transport = GoogleNetHttpTransport.newTrustedTransport();
    credential = GoogleCredential.getApplicationDefault(transport, jsonFactory);
    if (credential.createScopedRequired()) {
      Collection<String> scopes = IamScopes.all();
      credential = credential.createScoped(scopes);
    }
    serviceAccountsApiStub = new Iam.Builder(transport, jsonFactory, credential)
        .build()
        .projects()
        .serviceAccounts();
  }
  return serviceAccountsApiStub;
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
@VisibleForTesting
ServiceConfigSupplier(
    Environment environment,
    HttpTransport httpTransport,
    JsonFactory jsonFactory,
    final GoogleCredential credential) {
  this.environment = environment;
  HttpRequestInitializer requestInitializer = new HttpRequestInitializer() {
    @Override
    public void initialize(HttpRequest request) throws IOException {
      request.setThrowExceptionOnExecuteError(false);
      credential.initialize(request);
    }
  };
  this.serviceManagement =
      new ServiceManagement.Builder(httpTransport, jsonFactory, requestInitializer)
          .setApplicationName("Endpoints Frameworks Java")
          .build();
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
private static ServiceAccountKeyManager createServiceAccountKeyManager() {
  try {
    final HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    final JsonFactory jsonFactory = Utils.getDefaultJsonFactory();
    final GoogleCredential credential = GoogleCredential
        .getApplicationDefault(httpTransport, jsonFactory)
        .createScoped(IamScopes.all());
    final Iam iam = new Iam.Builder(
        httpTransport, jsonFactory, credential)
        .setApplicationName(SERVICE_NAME)
        .build();
    return new ServiceAccountKeyManager(iam);
  } catch (GeneralSecurityException | IOException e) {
    throw new RuntimeException(e);
  }
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
@Override
public DataprocHadoopRunner build() {
  CredentialProvider credentialProvider = Optional.ofNullable(this.credentialProvider)
      .orElseGet(DefaultCredentialProvider::new);

  try {
    final HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    final JsonFactory jsonFactory = new JacksonFactory();

    final GoogleCredential credentials = credentialProvider.getCredential(SCOPES);
    final Dataproc dataproc = new Dataproc.Builder(httpTransport, jsonFactory, credentials)
        .setApplicationName(APPLICATION_NAME).build();
    final Storage storage = new Storage.Builder(httpTransport, jsonFactory, credentials)
        .setApplicationName(APPLICATION_NAME).build();

    final DataprocClient dataprocClient =
        new DataprocClient(dataproc, storage, projectId, clusterId, clusterProperties);

    return new DataprocHadoopRunnerImpl(dataprocClient);
  } catch (Throwable e) {
    throw Throwables.propagate(e);
  }
}
 

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; //導入依賴的package包/類
/**
 * Get a Google Compute Engine client object.
 * @param userEmail The service account's client email.
 * @param privateKey The service account's private key.
 * @param scopes The scopes used in the compute client object.
 * @param applicationName The application name.
 * @return The created Compute Engine client object.
 * @throws GeneralSecurityException Exception when creating http transport.
 * @throws IOException Exception when creating http transport.
 */
public static Compute getGoogleComputeClient(String userEmail,
                                             String privateKey,
                                             List<String> scopes,
                                             String applicationName)
        throws GeneralSecurityException, IOException {
    HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    GoogleCredential credential = new GoogleCredential.Builder()
            .setTransport(httpTransport)
            .setJsonFactory(JSON_FACTORY)
            .setServiceAccountId(userEmail)
            .setServiceAccountScopes(scopes)
            .setServiceAccountPrivateKey(privateKeyFromPkcs8(privateKey))
            .build();
    return new Compute.Builder(httpTransport, JSON_FACTORY, credential)
            .setApplicationName(applicationName)
            .build();
}