/// <summary>
/// Return an array of bytes in order to download the file
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public static byte[] GetFileToDownLoad(string path)
{
try
{
if (!String.IsNullOrWhiteSpace(path))
{
var localFilePath = GetStorageRoot(path);
if (FileHelper.FileExists(localFilePath))
{
var FileBytes = File.ReadAllBytes(localFilePath);
// If the file is in the upload folder, it needs to be decrypted
if (path.ToLower().Contains("/encrypted/") || path.ToLower().Contains("\\encrypted\\"))
{
var decyptedFileBytes = RijndaelHelper.DecryptBytes(FileBytes, ConfigurationManager.AppSettings["FileEncryptPassPhrase"], EncryptionSalt);
return(decyptedFileBytes);
}
else
{
return(FileBytes);
}
}
}
}
catch (Exception e)
{
Logger.GenerateError(e, System.Reflection.MethodBase.GetCurrentMethod().DeclaringType, "path = " + path);
}
return(null);
}
/// <summary>
/// Encrypt the file
/// </summary>
/// <param name="path"></param>
/// <param name="fileBytes"></param>
/// <returns></returns>
private static bool EncryptWriteBytes(string path, byte[] fileBytes)
{
bool result = false;
try
{
var encryptedBytes = RijndaelHelper.EncryptBytes(fileBytes, ConfigurationManager.AppSettings["FileEncryptPassPhrase"], EncryptionSalt);
File.WriteAllBytes(path, encryptedBytes);
result = true;
}
catch (Exception e)
{
result = false;
Logger.GenerateError(e, System.Reflection.MethodBase.GetCurrentMethod().DeclaringType, "path = " + path);
}
return(result);
}
/// <summary>
/// get the path of the decrypted file
/// </summary>
/// <param name="path"></param>
/// <param name="IsUserPicture"></param>
/// <returns></returns>
public static string GetDecryptedFilePath(string path, bool IsUserPicture = false, bool IsThumbnail = false)
{
string fileSrc = CommonsConst.DefaultImage.Default;
try
{
if (!String.IsNullOrWhiteSpace(path))
{
var localFilePath = GetStorageRoot(path);
if (FileHelper.FileExists(localFilePath))
{
// If the file is in the upload folder, it needs to be decrypted
if (path.Contains(CommonsConst.Const.BasePathUploadEncrypted))
{
var encyptedFileBytes = File.ReadAllBytes(localFilePath);
var decyptedFileBytes = RijndaelHelper.DecryptBytes(encyptedFileBytes, ConfigurationManager.AppSettings["FileEncryptPassPhrase"], EncryptionSalt);
fileSrc = String.Format("data:image/gif;base64,{0}", Convert.ToBase64String(decyptedFileBytes));
}
else
{
fileSrc = path.Replace("~", "");
}
}
}
}
catch (Exception e)
{
fileSrc = CommonsConst.DefaultImage.Default.Replace("~", "");
Logger.GenerateError(e, System.Reflection.MethodBase.GetCurrentMethod().DeclaringType, "path = " + path + " and IsUserPicture = " + IsUserPicture);
}
if (IsUserPicture && fileSrc == CommonsConst.DefaultImage.Default.Replace("~", ""))
{
if (IsThumbnail)
{
fileSrc = CommonsConst.DefaultImage.DefaultThumbnailUser.Replace("~", "");
}
else
{
fileSrc = CommonsConst.DefaultImage.DefaultImageUser.Replace("~", "");
}
}
return(fileSrc);
}
