/// <summary>
/// Write a specified clipboard data from an encrypted file.
/// </summary>
/// <param name="clipboardWriter">The <see cref="ClipboardWriter"/> used to write the data.</param>
/// <param name="identifier">The data identifier.</param>
/// <param name="clipboardDataPath">The full path to the clipboard data folder.</param>
private void ReadFileToClipboardData(ClipboardWriter clipboardWriter, DataIdentifier identifier, string
clipboardDataPath)
{
Requires.NotNull(clipboardWriter, nameof(clipboardWriter));
Requires.NotNull(identifier, nameof(identifier));
Requires.NotNullOrWhiteSpace(clipboardDataPath, nameof(clipboardDataPath));
var dataFilePath = Path.Combine(clipboardDataPath, $"{identifier.Identifier}.dat");
if (!File.Exists(dataFilePath))
{
return;
}
var dataPassword =
SecurityHelper.ToSecureString(SecurityHelper.EncryptString(SecurityHelper.ToSecureString(
identifier.Identifier.ToString(
))));
Requires.NotNull(dataPassword, nameof(dataPassword));
var fileStream = File.OpenRead(dataFilePath);
var aesStream = new AesStream(fileStream, dataPassword,
SecurityHelper.GetSaltKeys(dataPassword).GetBytes(16));
clipboardWriter.AddData(identifier.FormatName, aesStream, fileStream);
}
public void ClipboardWriterAndReader()
{
using (var clipboardWriter = new ClipboardWriter())
{
var value = new MemoryStream(new byte[] { 72, 101, 108, 108, 111 }); // "Hello" in binary
clipboardWriter.AddData("ASCIITextTest", value);
clipboardWriter.Flush();
}
var dataFromClipboard = (MemoryStream)System.Windows.Clipboard.GetData("ASCIITextTest");
Assert.IsTrue(dataFromClipboard.ToArray().SequenceEqual(new byte[] { 72, 101, 108, 108, 111 }));
var dataFromClipboard2 = new MemoryStream();
var dataObject = (System.Windows.DataObject)System.Windows.Clipboard.GetDataObject();
using (var clipboardReader = new ClipboardReader(dataObject))
{
Assert.IsFalse(clipboardReader.IsReadable);
Assert.IsFalse(clipboardReader.CanReadNextBlock());
foreach (var format in dataObject.GetFormats())
{
clipboardReader.BeginRead(format);
Assert.IsTrue(clipboardReader.IsReadable);
Assert.IsTrue(clipboardReader.CanReadNextBlock());
while (clipboardReader.CanReadNextBlock())
{
var buffer = clipboardReader.ReadNextBlock();
dataFromClipboard2.Write(buffer, 0, buffer.Length);
}
clipboardReader.EndRead();
}
}
Assert.IsTrue(dataFromClipboard2.ToArray().SequenceEqual(new byte[] { 72, 101, 108, 108, 111 }));
}