static void Main(string[] args)
{
string s1 = "";
CloudStorageAccount storageAccount = new CloudStorageAccount(new StorageCredentials("your account", "your key"), true);
CloudFileClient fileClient = storageAccount.CreateCloudFileClient();
CloudFileShare share = fileClient.GetShareReference("t11");
CloudFileDirectory rootDir = share.GetRootDirectoryReference();
CloudFile file = rootDir.GetFileReference("test.txt");
if (file.Exists())
{
using (var ms = new MemoryStream())
{
long?offset = Convert.ToInt64(file.Properties.Length * .8);
long?length = Convert.ToInt64(file.Properties.Length * .20);
file.DownloadRangeToStream(ms, offset, length);
//set the position of memory stream to zero
ms.Position = 0;
using (var sr = new StreamReader(ms))
{
s1 = sr.ReadToEnd();
}
Console.WriteLine(s1);
}
}
Console.WriteLine("---done---");
Console.ReadLine();
}
public void ValidateShareReadableWithSasToken(CloudFileShare share, string fileName, string sasToken)
{
Test.Info("Verify share read permission");
CloudFile file = share.GetRootDirectoryReference().GetFileReference(fileName);
if (!file.Exists())
{
PrepareFileInternal(file, null);
}
CloudStorageAccount sasAccount = TestBase.GetStorageAccountWithSasToken(share.ServiceClient.Credentials.AccountName, sasToken);
CloudFileClient sasClient = sasAccount.CreateCloudFileClient();
CloudFileShare sasShare = sasClient.GetShareReference(share.Name);
CloudFile sasFile = sasShare.GetRootDirectoryReference().GetFileReference(fileName);
sasFile.FetchAttributes();
long buffSize = sasFile.Properties.Length;
byte[] buffer = new byte[buffSize];
MemoryStream ms = new MemoryStream(buffer);
sasFile.DownloadRangeToStream(ms, 0, buffSize);
string md5 = Utility.GetBufferMD5(buffer);
TestBase.ExpectEqual(sasFile.Properties.ContentMD5, md5, "content md5");
}
public string FetchFileMD5(CloudFile file)
{
using (MemoryStream ms = new MemoryStream())
{
file.DownloadRangeToStream(ms, null, null);
MD5 md5Computer = MD5.Create();
ms.Seek(0, SeekOrigin.Begin);
return(Convert.ToBase64String(md5Computer.ComputeHash(ms)));
}
}
/// <summary>
/// Validate the read permission in the sas token for the the specified file
/// </summary>
public void ValidateFileReadableWithSasToken(CloudFile file, string sasToken)
{
Test.Info("Verify file read permission");
CloudFile sasFile = new CloudFile(file.Uri, new StorageCredentials(sasToken));
sasFile.FetchAttributes();
long buffSize = sasFile.Properties.Length;
byte[] buffer = new byte[buffSize];
MemoryStream ms = new MemoryStream(buffer);
sasFile.DownloadRangeToStream(ms, 0, buffSize);
string md5 = Utility.GetBufferMD5(buffer);
TestBase.ExpectEqual(sasFile.Properties.ContentMD5, md5, "content md5");
}
