Java SharedAccessBlobPermissions类代码示例

import com.microsoft.azure.storage.blob.SharedAccessBlobPermissions; //导入依赖的package包/类
private SharedAccessBlobPolicy getPolicy(final int expiry) {
    final SharedAccessBlobPolicy policy = new SharedAccessBlobPolicy();
    policy.setSharedAccessExpiryTime(new Date(this.getExpiry(expiry)));
    policy.setPermissions(EnumSet.of(SharedAccessBlobPermissions.READ));
    return policy;
}
 

import com.microsoft.azure.storage.blob.SharedAccessBlobPermissions; //导入依赖的package包/类
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;
}
 

import com.microsoft.azure.storage.blob.SharedAccessBlobPermissions; //导入依赖的package包/类
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();
}
 

import com.microsoft.azure.storage.blob.SharedAccessBlobPermissions; //导入依赖的package包/类
@PostConfig
@PostCreated
@PostRecovery
public void setup()
{
    _serviceBaseURL    = _properties.get(SERVICEBASEURL_PROPERTYNAME);
    _containerName     = _properties.get(CONTAINERNAME_PROPERTYNAME);
    _storageConnection = _properties.get(STORAGECONNECTION_PROPERTYNAME);
    _accountName       = _properties.get(ACCOUNTNAME_PROPERTYNAME);
    _accountKey        = _properties.get(ACCOUNTKEY_PROPERTYNAME);
    _containerSAS      = _properties.get(CONTAINERSAS_PROPERTYNAME);

    if ((_containerSAS == null) || "".equals(_containerSAS.trim()))
    {
        String storageConnection = null;
        if ((_storageConnection != null) && (! "".equals(_storageConnection.trim())))
            storageConnection = _storageConnection;
        else if ((_accountName != null) && (! "".equals(_accountName.trim())) && (_accountKey != null) && (! "".equals(_accountKey.trim())))
            storageConnection = "DefaultEndpointsProtocol=https;AccountName=" + _accountName + ";AccountKey=" + _accountKey;

        if (storageConnection != null)
        {
            try
            {
                CloudStorageAccount storageAccount = CloudStorageAccount.parse(storageConnection);
                CloudBlobClient     blobClient     = storageAccount.createCloudBlobClient();
                CloudBlobContainer  blobContainer  = blobClient.getContainerReference(_containerName);
                blobContainer.createIfNotExists();

                SharedAccessBlobPolicy blobPolicy   = new SharedAccessBlobPolicy();
                GregorianCalendar      calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
                calendar.setTime(new Date());
                blobPolicy.setSharedAccessStartTime(calendar.getTime());
                calendar.add(Calendar.HOUR, 6);
                blobPolicy.setSharedAccessExpiryTime(calendar.getTime());
                blobPolicy.setPermissions(EnumSet.of(SharedAccessBlobPermissions.READ, SharedAccessBlobPermissions.WRITE));

                BlobContainerPermissions containerPermissions = new BlobContainerPermissions();
                containerPermissions.setPublicAccess(BlobContainerPublicAccessType.OFF);
                containerPermissions.getSharedAccessPolicies().put("accesspolicy", blobPolicy);
                blobContainer.uploadPermissions(containerPermissions);

                _containerSAS = blobContainer.generateSharedAccessSignature(blobPolicy, null);
            }
            catch (Throwable throwable)
            {
                logger.log(Level.WARNING, "Problems with Azure blob store SAS", throwable);
            }
        }
    }
}
 

import com.microsoft.azure.storage.blob.SharedAccessBlobPermissions; //导入依赖的package包/类
private CloudFile doCloudBlobCopy(CloudBlob source, int length) throws Exception {
    Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
    cal.setTime(new Date());
    cal.add(Calendar.MINUTE, 5);
    
    // Source SAS must have read permissions
    SharedAccessBlobPolicy policy = new SharedAccessBlobPolicy();
    policy.setPermissions(EnumSet.of(SharedAccessBlobPermissions.READ));
    policy.setSharedAccessExpiryTime(cal.getTime());

    String sasToken = source.generateSharedAccessSignature(policy, null, null);

    // Get destination reference
    final CloudFile destination = this.share.getRootDirectoryReference().getFileReference("destination");
    
    // Start copy and wait for completion
    StorageCredentialsSharedAccessSignature credentials = new StorageCredentialsSharedAccessSignature(sasToken);
    Constructor<? extends CloudBlob> blobType = source.getClass().getConstructor(URI.class);
    String copyId = destination.startCopy(blobType.newInstance(credentials.transformUri(source.getUri())));
    FileTestHelper.waitForCopy(destination);
    destination.downloadAttributes();
    
    // Check original file references for equality
    assertEquals(CopyStatus.SUCCESS, destination.getCopyState().getStatus());
    assertEquals(source.getServiceClient().getCredentials().transformUri(source.getUri()).getPath(),
            destination.getCopyState().getSource().getPath());
    assertEquals(length, destination.getCopyState().getTotalBytes().intValue());
    assertEquals(length, destination.getCopyState().getBytesCopied().intValue());
    assertEquals(copyId, destination.getProperties().getCopyState().getCopyId());

    // Attempt to abort the completed copy operation.
    try {
        destination.abortCopy(destination.getCopyState().getCopyId());
        FileTestHelper.waitForCopy(destination);
        fail();
    }
    catch (StorageException ex) {
        assertEquals(HttpURLConnection.HTTP_CONFLICT, ex.getHttpStatusCode());
    }

    assertNotNull(destination.getProperties().getEtag());
    assertFalse(source.getProperties().getEtag().equals(destination.getProperties().getEtag()));

    source.downloadAttributes();
    FileProperties prop1 = destination.getProperties();
    BlobProperties prop2 = source.getProperties();

    assertEquals(prop1.getCacheControl(), prop2.getCacheControl());
    assertEquals(prop1.getContentEncoding(), prop2.getContentEncoding());
    assertEquals(prop1.getContentLanguage(), prop2.getContentLanguage());
    assertEquals(prop1.getContentMD5(), prop2.getContentMD5());
    assertEquals(prop1.getContentType(), prop2.getContentType());

    assertEquals("value", destination.getMetadata().get("Test"));
    return destination;
}