com.microsoft.azure.storage.blob.BlobContainerPermissions Java Examples

/**
 * This method will provide Azure CloudBlobContainer object or in case of error it will provide
 * null;
 *
 * @param containerName String
 * @return CloudBlobContainer or null
 */
public static CloudBlobContainer getContainer(String containerName, boolean isPublicAccess) {

  try {
    CloudBlobClient cloudBlobClient = getBlobClient();
    // Get a reference to a container , The container name must be lower case
    CloudBlobContainer container =
        cloudBlobClient.getContainerReference(containerName.toLowerCase(Locale.ENGLISH));
    // Create the container if it does not exist.
    boolean response = container.createIfNotExists();
    ProjectLogger.log("container creation done if not exist==" + response);
    // Create a permissions object.
    if (isPublicAccess) {
      BlobContainerPermissions containerPermissions = new BlobContainerPermissions();
      // Include public access in the permissions object.
      containerPermissions.setPublicAccess(BlobContainerPublicAccessType.CONTAINER);
      // Set the permissions on the container.
      container.uploadPermissions(containerPermissions);
    }
    return container;
  } catch (Exception e) {
    ProjectLogger.log(e.getMessage(), e);
  }
  return null;
}
 

private CloudBlobContainer setupContainer(CloudBlobClient blobClient, String containerName) {
    try {
        CloudBlobContainer container = blobClient.getContainerReference(containerName);
        if (!container.exists()) {
            container.createIfNotExists();
            BlobContainerPermissions containerPermissions = new BlobContainerPermissions();
            containerPermissions.setPublicAccess(BlobContainerPublicAccessType.CONTAINER);
            container.uploadPermissions(containerPermissions);
        }

        return container;
    } catch (Exception e) {
        e.printStackTrace();
        logger.error("Error setting up container: " + e.getMessage());
        return null;
    }
}
 

private static CloudBlobContainer setUpStorageAccount(String connectionString, String containerName) {
    try {
        CloudStorageAccount account = CloudStorageAccount.parse(connectionString);
        // Create a blob service client
        CloudBlobClient blobClient = account.createCloudBlobClient();
        CloudBlobContainer container = blobClient.getContainerReference(containerName);
        container.createIfNotExists();
        BlobContainerPermissions containerPermissions = new BlobContainerPermissions();
        // Include public access in the permissions object
        containerPermissions.setPublicAccess(BlobContainerPublicAccessType.CONTAINER);
        // Set the permissions on the container
        container.uploadPermissions(containerPermissions);
        return container;
    } catch (StorageException | URISyntaxException | InvalidKeyException e) {
        throw new RuntimeException(e);
    }

}
 

private static CloudBlobContainer setUpStorageAccount(String connectionString, String containerName) {
    try {
        CloudStorageAccount account = CloudStorageAccount.parse(connectionString);
        // Create a blob service client
        CloudBlobClient blobClient = account.createCloudBlobClient();
        CloudBlobContainer container = blobClient.getContainerReference(containerName);
        container.createIfNotExists();
        BlobContainerPermissions containerPermissions = new BlobContainerPermissions();
        // Include public access in the permissions object
        containerPermissions.setPublicAccess(BlobContainerPublicAccessType.CONTAINER);
        // Set the permissions on the container
        container.uploadPermissions(containerPermissions);
        return container;
    } catch (StorageException | URISyntaxException | InvalidKeyException e) {
        throw new RuntimeException(e);
    }

}
 

public void testContainerPermission() {
    // Create a permissions object.
    BlobContainerPermissions containerPermissions = new BlobContainerPermissions();

    // Include public access in the permissions object.
    containerPermissions.setPublicAccess(BlobContainerPublicAccessType.CONTAINER);

    // Set the permissions on the container.
    try {
        container.uploadPermissions(containerPermissions);
    } catch (StorageException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}
 

private static String generateSAS(CloudBlobContainer container,
    boolean readonly) throws Exception {

  // Create a container if it does not exist.
  container.createIfNotExists();

  // Create a new shared access policy.
  SharedAccessBlobPolicy sasPolicy = new SharedAccessBlobPolicy();

  // Create a UTC Gregorian calendar value.
  GregorianCalendar calendar = new GregorianCalendar(
      TimeZone.getTimeZone("UTC"));

  // Specify the current time as the start time for the shared access
  // signature.
  //
  calendar.setTime(new Date());
  sasPolicy.setSharedAccessStartTime(calendar.getTime());

  // Use the start time delta one hour as the end time for the shared
  // access signature.
  calendar.add(Calendar.HOUR, 10);
  sasPolicy.setSharedAccessExpiryTime(calendar.getTime());

  if (readonly) {
    // Set READ permissions
    sasPolicy.setPermissions(EnumSet.of(
        SharedAccessBlobPermissions.READ,
        SharedAccessBlobPermissions.LIST));
  } else {
    // Set READ and WRITE permissions.
    //
    sasPolicy.setPermissions(EnumSet.of(
        SharedAccessBlobPermissions.READ,
        SharedAccessBlobPermissions.WRITE,
        SharedAccessBlobPermissions.LIST));
  }

  // Create the container permissions.
  BlobContainerPermissions containerPermissions = new BlobContainerPermissions();

  // Turn public access to the container off.
  containerPermissions.setPublicAccess(BlobContainerPublicAccessType.OFF);

  container.uploadPermissions(containerPermissions);

  // Create a shared access signature for the container.
  String sas = container.generateSharedAccessSignature(sasPolicy, null);
  // HACK: when the just generated SAS is used straight away, we get an
  // authorization error intermittently. Sleeping for 1.5 seconds fixes that
  // on my box.
  Thread.sleep(1500);

  // Return to caller with the shared access signature.
  return sas;
}
 

public static void primePublicContainer(CloudBlobClient blobClient,
    String accountName, String containerName, String blobName, int fileSize)
    throws Exception {

  // Create a container if it does not exist. The container name
  // must be lower case.
  CloudBlobContainer container = blobClient
      .getContainerReference(containerName);

  container.createIfNotExists();

  // Create a new shared access policy.
  SharedAccessBlobPolicy sasPolicy = new SharedAccessBlobPolicy();

  // Set READ and WRITE permissions.
  //
  sasPolicy.setPermissions(EnumSet.of(
      SharedAccessBlobPermissions.READ,
      SharedAccessBlobPermissions.WRITE,
      SharedAccessBlobPermissions.LIST,
      SharedAccessBlobPermissions.DELETE));

  // Create the container permissions.
  BlobContainerPermissions containerPermissions = new BlobContainerPermissions();

  // Turn public access to the container off.
  containerPermissions
      .setPublicAccess(BlobContainerPublicAccessType.CONTAINER);

  // Set the policy using the values set above.
  containerPermissions.getSharedAccessPolicies().put("testwasbpolicy",
      sasPolicy);
  container.uploadPermissions(containerPermissions);

  // Create a blob output stream.
  CloudBlockBlob blob = container.getBlockBlobReference(blobName);
  BlobOutputStream outputStream = blob.openOutputStream();

  outputStream.write(new byte[fileSize]);
  outputStream.close();
}
 

private static String generateSAS(CloudBlobContainer container,
    boolean readonly) throws Exception {

  // Create a container if it does not exist.
  container.createIfNotExists();

  // Create a new shared access policy.
  SharedAccessBlobPolicy sasPolicy = new SharedAccessBlobPolicy();

  // Create a UTC Gregorian calendar value.
  GregorianCalendar calendar = new GregorianCalendar(
      TimeZone.getTimeZone("UTC"));

  // Specify the current time as the start time for the shared access
  // signature.
  //
  calendar.setTime(new Date());
  sasPolicy.setSharedAccessStartTime(calendar.getTime());

  // Use the start time delta one hour as the end time for the shared
  // access signature.
  calendar.add(Calendar.HOUR, 10);
  sasPolicy.setSharedAccessExpiryTime(calendar.getTime());

  if (readonly) {
    // Set READ permissions
    sasPolicy.setPermissions(EnumSet.of(
        SharedAccessBlobPermissions.READ,
        SharedAccessBlobPermissions.LIST));
  } else {
    // Set READ and WRITE permissions.
    //
    sasPolicy.setPermissions(EnumSet.of(
        SharedAccessBlobPermissions.READ,
        SharedAccessBlobPermissions.WRITE,
        SharedAccessBlobPermissions.LIST));
  }

  // Create the container permissions.
  BlobContainerPermissions containerPermissions = new BlobContainerPermissions();

  // Turn public access to the container off.
  containerPermissions.setPublicAccess(BlobContainerPublicAccessType.OFF);

  container.uploadPermissions(containerPermissions);

  // Create a shared access signature for the container.
  String sas = container.generateSharedAccessSignature(sasPolicy, null);
  // HACK: when the just generated SAS is used straight away, we get an
  // authorization error intermittently. Sleeping for 1.5 seconds fixes that
  // on my box.
  Thread.sleep(1500);

  // Return to caller with the shared access signature.
  return sas;
}
 

public static void primePublicContainer(CloudBlobClient blobClient,
    String accountName, String containerName, String blobName, int fileSize)
    throws Exception {

  // Create a container if it does not exist. The container name
  // must be lower case.
  CloudBlobContainer container = blobClient
      .getContainerReference(containerName);

  container.createIfNotExists();

  // Create a new shared access policy.
  SharedAccessBlobPolicy sasPolicy = new SharedAccessBlobPolicy();

  // Set READ and WRITE permissions.
  //
  sasPolicy.setPermissions(EnumSet.of(
      SharedAccessBlobPermissions.READ,
      SharedAccessBlobPermissions.WRITE,
      SharedAccessBlobPermissions.LIST,
      SharedAccessBlobPermissions.DELETE));

  // Create the container permissions.
  BlobContainerPermissions containerPermissions = new BlobContainerPermissions();

  // Turn public access to the container off.
  containerPermissions
      .setPublicAccess(BlobContainerPublicAccessType.CONTAINER);

  // Set the policy using the values set above.
  containerPermissions.getSharedAccessPolicies().put("testwasbpolicy",
      sasPolicy);
  container.uploadPermissions(containerPermissions);

  // Create a blob output stream.
  CloudBlockBlob blob = container.getBlockBlobReference(blobName);
  BlobOutputStream outputStream = blob.openOutputStream();

  outputStream.write(new byte[fileSize]);
  outputStream.close();
}