public static string DownloadText(CloudFile file, Encoding encoding, AccessCondition accessCondition = null, FileRequestOptions options = null, OperationContext operationContext = null)
{
using (MemoryStream stream = new MemoryStream())
{
file.DownloadToStream(stream, accessCondition, options, operationContext);
return(encoding.GetString(stream.ToArray()));
}
}
public void FileUseTransactionalMD5GetTest()
{
FileRequestOptions optionsWithNoMD5 = new FileRequestOptions()
{
UseTransactionalMD5 = false,
};
FileRequestOptions optionsWithMD5 = new FileRequestOptions()
{
UseTransactionalMD5 = true,
};
byte[] buffer = GetRandomBuffer(3 * 1024 * 1024);
MD5 hasher = MD5.Create();
string md5 = Convert.ToBase64String(hasher.ComputeHash(buffer));
string lastCheckMD5 = null;
int checkCount = 0;
OperationContext opContextWithMD5Check = new OperationContext();
opContextWithMD5Check.ResponseReceived += (_, args) =>
{
if (long.Parse(HttpResponseParsers.GetContentLength(args.Response)) >= buffer.Length)
{
lastCheckMD5 = HttpResponseParsers.GetContentMD5(args.Response);
checkCount++;
}
};
CloudFileShare share = GetRandomShareReference();
try
{
share.Create();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file2");
using (Stream fileStream = file.OpenWrite(buffer.Length * 2))
{
fileStream.Write(buffer, 0, buffer.Length);
fileStream.Write(buffer, 0, buffer.Length);
}
checkCount = 0;
using (Stream stream = new MemoryStream())
{
file.DownloadToStream(stream, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
StorageException storageEx = TestHelper.ExpectedException <StorageException>(
() => file.DownloadToStream(stream, null, optionsWithMD5, opContextWithMD5Check),
"File will not have MD5 set by default; with UseTransactional, download should fail");
file.DownloadRangeToStream(stream, buffer.Length, buffer.Length, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
file.DownloadRangeToStream(stream, buffer.Length, buffer.Length, null, optionsWithMD5, opContextWithMD5Check);
Assert.AreEqual(md5, lastCheckMD5);
file.DownloadRangeToStream(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithNoMD5, opContextWithMD5Check);
Assert.IsNull(lastCheckMD5);
storageEx = TestHelper.ExpectedException <StorageException>(
() => file.DownloadRangeToStream(stream, 1024, 4 * 1024 * 1024 + 1, null, optionsWithMD5, opContextWithMD5Check),
"Downloading more than 4MB with transactional MD5 should not be supported");
Assert.IsInstanceOfType(storageEx.InnerException, typeof(ArgumentOutOfRangeException));
using (Stream fileStream = file.OpenRead(null, optionsWithMD5, opContextWithMD5Check))
{
fileStream.CopyTo(stream);
Assert.IsNotNull(lastCheckMD5);
}
using (Stream fileStream = file.OpenRead(null, optionsWithNoMD5, opContextWithMD5Check))
{
fileStream.CopyTo(stream);
Assert.IsNull(lastCheckMD5);
}
}
Assert.AreEqual(9, checkCount);
}
finally
{
share.DeleteIfExists();
}
}
public void FileDisableContentMD5ValidationTest()
{
byte[] buffer = new byte[1024];
Random random = new Random();
random.NextBytes(buffer);
FileRequestOptions optionsWithNoMD5 = new FileRequestOptions()
{
DisableContentMD5Validation = true,
StoreFileContentMD5 = true,
};
FileRequestOptions optionsWithMD5 = new FileRequestOptions()
{
DisableContentMD5Validation = false,
StoreFileContentMD5 = true,
};
CloudFileShare share = GetRandomShareReference();
try
{
share.Create();
CloudFile file = share.GetRootDirectoryReference().GetFileReference("file2");
using (Stream stream = new MemoryStream(buffer))
{
file.UploadFromStream(stream, null, optionsWithMD5);
}
using (Stream stream = new MemoryStream())
{
file.DownloadToStream(stream, null, optionsWithMD5);
file.DownloadToStream(stream, null, optionsWithNoMD5);
using (Stream fileStream = file.OpenRead(null, optionsWithMD5))
{
int read;
do
{
read = fileStream.Read(buffer, 0, buffer.Length);
}while (read > 0);
}
using (Stream fileStream = file.OpenRead(null, optionsWithNoMD5))
{
int read;
do
{
read = fileStream.Read(buffer, 0, buffer.Length);
}while (read > 0);
}
file.Properties.ContentMD5 = "MDAwMDAwMDA=";
file.SetProperties();
TestHelper.ExpectedException(
() => file.DownloadToStream(stream, null, optionsWithMD5),
"Downloading a file with invalid MD5 should fail",
HttpStatusCode.OK);
file.DownloadToStream(stream, null, optionsWithNoMD5);
using (Stream fileStream = file.OpenRead(null, optionsWithMD5))
{
TestHelper.ExpectedException <IOException>(
() =>
{
int read;
do
{
read = fileStream.Read(buffer, 0, buffer.Length);
}while (read > 0);
},
"Downloading a file with invalid MD5 should fail");
}
using (Stream fileStream = file.OpenRead(null, optionsWithNoMD5))
{
int read;
do
{
read = fileStream.Read(buffer, 0, buffer.Length);
}while (read > 0);
}
}
}
finally
{
share.DeleteIfExists();
}
}