/// <summary>
/// Validate the file share access policy
/// </summary>
/// <param name="policy">SharedAccessFilePolicy object</param>
/// <param name="policyIdentifier">The policy identifier which need to be checked.</param>
public static bool ValidateShareAccessPolicy(IStorageFileManagement channel, string shareName,
string policyIdentifier, bool shouldNoPermission, bool shouldNoStartTime, bool shouldNoExpiryTime)
{
if (string.IsNullOrEmpty(policyIdentifier))
{
return(true);
}
CloudFileShare fileShare = channel.GetShareReference(shareName);
FileSharePermissions permission;
try
{
permission = fileShare.GetPermissionsAsync().Result;
}
catch (AggregateException e) when(e.InnerException is StorageException)
{
throw e.InnerException;
}
SharedAccessFilePolicy sharedAccessPolicy =
GetExistingPolicy <SharedAccessFilePolicy>(permission.SharedAccessPolicies, policyIdentifier);
if (shouldNoPermission && sharedAccessPolicy.Permissions != SharedAccessFilePermissions.None)
{
throw new InvalidOperationException(Resources.SignedPermissionsMustBeOmitted);
}
if (shouldNoStartTime && sharedAccessPolicy.SharedAccessStartTime.HasValue)
{
throw new InvalidOperationException(Resources.SignedStartTimeMustBeOmitted);
}
if (shouldNoExpiryTime && sharedAccessPolicy.SharedAccessExpiryTime.HasValue)
{
throw new InvalidOperationException(Resources.SignedExpiryTimeMustBeOmitted);
}
return(!sharedAccessPolicy.SharedAccessExpiryTime.HasValue);
}
public Task <FileSharePermissions> GetSharePermissionsAsync(CloudFileShare share, AccessCondition accessCondition,
FileRequestOptions options, OperationContext operationContext, CancellationToken cancellationToken)
{
return(share.GetPermissionsAsync(accessCondition, options, operationContext, cancellationToken));
}
public FileSharePermissions GetSharePermissions(CloudFileShare share, AccessCondition accessCondition = null,
FileRequestOptions options = null, OperationContext operationContext = null)
{
return(share.GetPermissionsAsync(accessCondition, options, operationContext).Result);
}
public static FileSharePermissions GetPermissions(this CloudFileShare share, AccessCondition accessCondition = null, FileRequestOptions options = null, OperationContext operationContext = null)
{
return(share.GetPermissionsAsync(accessCondition, options, operationContext).GetAwaiter().GetResult());
}
public void WriteFilesIntoFileService()
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(_configuration.ReadKeyFromFilePath(Constants.ConnectionStringPathKey));
CloudFileClient fileClient = storageAccount.CreateCloudFileClient();
CloudFileShare fileShare = fileClient.GetShareReference("h2h");
if (Task.Run(async() => await fileShare.ExistsAsync()).Result)
{
string policyName = "DemoPolicy" + new Random().Next(50);
FileSharePermissions fileSharePermissions = Task.Run(async() => await fileShare.GetPermissionsAsync()).Result;
// define policy
SharedAccessFilePolicy sharedAccessFilePolicy = new SharedAccessFilePolicy()
{
SharedAccessExpiryTime = DateTime.UtcNow.AddHours(1),
//Permissions = SharedAccessFilePermissions.Read
Permissions = SharedAccessFilePermissions.Write
};
fileSharePermissions.SharedAccessPolicies.Add(policyName, sharedAccessFilePolicy);
// set permissions of file share
Task.Run(async() => await fileShare.SetPermissionsAsync(fileSharePermissions));
// generate SAS token based on policy and use to create a new file
CloudFileDirectory rootDirectory = fileShare.GetRootDirectoryReference();
if (Task.Run(async() => await rootDirectory.ExistsAsync()).Result)
{
CloudFileDirectory customDirectory = rootDirectory.GetDirectoryReference("Output");
if (Task.Run(async() => await customDirectory.ExistsAsync()).Result)
{
CloudFile file = customDirectory.GetFileReference(_globalNotesPdf.Name);
string sasToken = file.GetSharedAccessSignature(null, policyName);
//generate URL of file with SAS token
Uri fileSASUrl = new Uri(file.StorageUri.PrimaryUri.ToString() + sasToken);
CloudFile newFile = new CloudFile(fileSASUrl);
Task.Run(async() => await newFile.UploadFromFileAsync(_globalNotesPdf.FullName));
}
}
}
}
public void UploadFileStream(Stream stream, string connectionString, FileInfo outputFile)
{
connectionString.ThrowExceptionIfNullOrEmpty();
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(connectionString);
CloudFileClient fileClient = storageAccount.CreateCloudFileClient();
CloudFileShare fileShare = fileClient.GetShareReference("h2h");
if (Task.Run(async() => await fileShare.ExistsAsync()).Result)
{
string policyName = "DemoPolicy" + new Random().Next(50);
FileSharePermissions fileSharePermissions = Task.Run(async() => await fileShare.GetPermissionsAsync()).Result;
// define policy
SharedAccessFilePolicy sharedAccessFilePolicy = new SharedAccessFilePolicy()
{
SharedAccessExpiryTime = DateTime.UtcNow.AddHours(1),
//Permissions = SharedAccessFilePermissions.Read
Permissions = SharedAccessFilePermissions.Write
};
fileSharePermissions.SharedAccessPolicies.Add(policyName, sharedAccessFilePolicy);
// set permissions of file share
Task.Run(async() => await fileShare.SetPermissionsAsync(fileSharePermissions));
// generate SAS token based on policy and use to create a new file
CloudFileDirectory rootDirectory = fileShare.GetRootDirectoryReference();
if (Task.Run(async() => await rootDirectory.ExistsAsync()).Result)
{
CloudFileDirectory customDirectory = rootDirectory.GetDirectoryReference("HyperArchive");
if (Task.Run(async() => await customDirectory.ExistsAsync()).Result)
{
CloudFile file = customDirectory.GetFileReference(outputFile.Name);
string sasToken = file.GetSharedAccessSignature(null, policyName);
//generate URL of file with SAS token
Uri fileSASUrl = new Uri(file.StorageUri.PrimaryUri.ToString() + sasToken);
CloudFile newFile = new CloudFile(fileSASUrl);
var taskResult = Task.Run(async() => await newFile.UploadFromStreamAsync(stream));
}
}
}
}
