public static bool CreateDecryptedImages(string sessionId)
{
string[] filePaths = GetEncryptedImagePaths(sessionId);
foreach (string path in filePaths)
{
try
{
byte[] fileBytes = File.ReadAllBytes(path);
byte[] decrypted = CacheEncrypter.DecryptData(fileBytes, CommonConst.DES_KEY);
CacheUtils.ByteToImage(decrypted).Save(string.Format("{0}\\{1}\\{2}", CommonConst.LOCAL_CACHE_PATH,
sessionId, Path.GetFileName(path).Replace(CommonConst.ENCR_IMG_EXT, CommonConst.DECR_IMG_EXT)));
}
catch { }
}
return(true);
}
public static bool CreateEncryptedImages(string sessionId)
{
try
{
string[] filePaths = GetDecryptedImagePaths(sessionId);
foreach (string path in filePaths)
{
byte[] fileBytes = File.ReadAllBytes(path);
byte[] encrypted = CacheEncrypter.EncryptData(fileBytes, CommonConst.DES_KEY);
File.WriteAllBytes(string.Format("{0}\\{1}\\{2}", CommonConst.LOCAL_CACHE_PATH,
sessionId, Path.GetFileName(path).Replace(CommonConst.DECR_IMG_EXT, CommonConst.ENCR_IMG_EXT)), encrypted);
}
}
catch { return(false); }
return(true);
}
public static bool DecryptData(string sessionId)
{
if (!File.Exists(GetDataEncryptedFilePath(sessionId)))
{
return(true);
}
try
{
byte[] encrypted = File.ReadAllBytes(GetDataEncryptedFilePath(sessionId));
byte[] decrypted = CacheEncrypter.DecryptData(encrypted, CommonConst.DES_KEY);
File.WriteAllText(GetDataDecryptedFilePath(sessionId), CacheUtils.GetString(decrypted));
} catch { }
return(true);
}
public static bool EncryptData(string sessionId)
{
if (!File.Exists(GetDataDecryptedFilePath(sessionId)))
{
return(true);
}
try
{
string data = File.ReadAllText(GetDataDecryptedFilePath(sessionId));
byte[] encrypted = CacheEncrypter.EncryptData(CacheUtils.GetBytes(data), CommonConst.DES_KEY);
File.WriteAllBytes(GetDataEncryptedFilePath(sessionId), encrypted);
}
catch { return(true); }
return(true);
}
public static bool SaveImage(Image image, string imageName, string sessionId, bool encrypt)
{
if (!Directory.Exists(CacheUtils.GetFullPathToSession(sessionId)))
{
Directory.CreateDirectory(CacheUtils.GetFullPathToSession(sessionId));
}
if (encrypt)
{
byte[] encrypted = CacheEncrypter.EncryptData(CacheUtils.ImageToByte(image), CommonConst.DES_KEY);
File.WriteAllBytes(string.Format("{0}{1}",
CacheUtils.GetFullPathToFile(imageName, sessionId), CommonConst.ENCR_IMG_EXT), encrypted);
}
else
{
image.Save(string.Format("{0}{1}",
CacheUtils.GetFullPathToFile(imageName, sessionId), CommonConst.DECR_IMG_EXT));
}
return(true);
}
public static bool SaveData(IList <string> data, string sessionId, bool encrypt)
{
StringBuilder finalData = new StringBuilder();
foreach (string line in data)
{
finalData.Append(line);
finalData.Append(Environment.NewLine);
}
if (encrypt)
{
byte[] encrypted = CacheEncrypter.EncryptData(CacheUtils.GetBytes(finalData.ToString()), CommonConst.DES_KEY);
File.WriteAllBytes(GetDataEncryptedFilePath(sessionId), encrypted);
}
else
{
File.WriteAllText(GetDataDecryptedFilePath(sessionId), finalData.ToString());
}
return(true);
}
