/// <summary>
/// Exports the key/iv pairs in the EzEncryptionKeys ScriptableObject to a CSV file.
/// </summary>
/// <param name="ezEncryptionKeys">Reference to the EzEncryptionKeys ScriptableObject</param>
public static void BackupEncryptionKeysToCSV(EzEncryptionKeys ezEncryptionKeys)
{
string[] tempStringArray = new string[ezEncryptionKeys.GetKeyCount()];
for (int i = 0; i < tempStringArray.Length; i++)
{
tempStringArray[i] = Convert.ToBase64String(ASCIIEncoding.UTF8.GetBytes(
Convert.ToBase64String(ezEncryptionKeys.GetKey(i)) +
"," +
Convert.ToBase64String(ezEncryptionKeys.GetIV(i))));
}
if (!AssetDatabase.IsValidFolder("Assets/Ez/DataManager/Editor/KeysBackup"))
{
AssetDatabase.CreateFolder(EZT.PATH + "/DataManager/Editor", "KeysBackup");
}
string path = EditorUtility.SaveFilePanelInProject("Backup to CSV", Application.productName + "_EzEncryptionKeysBackup", "csv", "Backup AES Encryption Data", EZT.PATH + "/DataManager/Editor/KeysBackup/");
File.WriteAllLines(path, tempStringArray, Encoding.UTF8);
AssetDatabase.Refresh();
EditorUtility.RevealInFinder(path);
}
/// <summary>
/// Imports a new AES key/iv list from the selected CSV file. Validates the import and returns true if successful, false otherwise.
/// </summary>
/// <param name="ezEncryptionKeys">Reference to the EzEncryptionKeys ScriptableObject</param>
/// <returns>Returns true if successful, false otherwise.</returns>
public static bool RestoreEncryptionKeysFromCSV(EzEncryptionKeys ezEncryptionKeys)
{
try
{
string path = EditorUtility.OpenFilePanel("Restore from CSV", EZT.PATH + "/DataManager/Editor/KeysBackup/", "csv");
string[] tempStringArray = File.ReadAllLines(path, Encoding.UTF8);
string[] tempStrSplit;
if (tempStringArray.Length == 0)
{
return(false);
}
// Parse the import data once to validate it
for (int i = 0; i < tempStringArray.Length; i++)
{
tempStrSplit = ASCIIEncoding.UTF8.GetString(Convert.FromBase64String(tempStringArray[i])).Split(',');
if (!ezEncryptionKeys.ValidateKeyAndIV(Convert.FromBase64String(tempStrSplit[0]), Convert.FromBase64String(tempStrSplit[1])))
{
return(false);
}
}
// Import validated, overwrite existing keys
ezEncryptionKeys.ClearEncryptionKeysAndIVs();
for (int i = 0; i < tempStringArray.Length; i++)
{
tempStrSplit = ASCIIEncoding.UTF8.GetString(Convert.FromBase64String(tempStringArray[i])).Split(',');
ezEncryptionKeys.AddNewKeyAndIV(Convert.FromBase64String(tempStrSplit[0]), Convert.FromBase64String(tempStrSplit[1]));
}
QUI.SetDirty(ezEncryptionKeys);
AssetDatabase.SaveAssets();
}
catch (Exception)
{
return(false);
}
return(true);
}
