public static IConfiguration Decrypt(this IConfiguration config, ICryptoHelper crypto)
{
string key;
string foundVal;
string decryptedVal;
List <ConfigSetting> configList = config.GetConfigSettings();
string encPrefix = config["ConfigOptions:Cryptography:EncValPrefix"];
for (int i = 0; i < configList.Count; i++)
{
foundVal = configList[i].SettingValue;
if (foundVal.StartsWith(encPrefix) && foundVal != encPrefix)
{
key = configList[i].SettingKey;
decryptedVal = crypto.Unprotect(key, foundVal, encPrefix);
config[key] = decryptedVal;
}
}
return(config);
}
internal void UserLoop()
{
string message = null;
string[] options;
string inputMain = null;
string inputName = null;
string inputValue = null;
string inputConfirm = null;
string plainVal = null;
string encVal = null;
string optionString = null;
string input = null;
string _encValPrefix = _prefix;
Start:
while (true)
{
message =
"\n-- Enter [E] to Encrypt a configuration setting\n"
+ "-- Enter [D] to Secrypt a configuration setting\n"
+ "-- Enter [X] to Exit\n\n";
options = new string[] { "E", "D", "X" };
inputMain = GetUserChoice(message, options).ToUpper();
if (inputMain == "X")
{
return;
}
// if we are still here, then we wil either encrypt or decrypt a value
string settingKey = "";
string settingValue = "";
// Ask the user to confirm the name of the setting
if (inputMain == "E")
{
optionString = "ENCRYPT";
}
if (inputMain == "D")
{
optionString = "DECRYPT";
}
if (_crypto != null)
{
message = $"Enter the full key of the setting to be {optionString}ED";
//Get User Confirmation
inputName = GetUserInput(message);
message = $"Enter the value to be {optionString}ED";
inputValue = GetUserInput(message);
try
{
if (optionString == "ENCRYPT")
{
encVal = _crypto.Protect(inputName, inputValue, _encValPrefix);
message = $"\nOperation Success!\n\nSettingName: {inputName}\nDecrypted Value:{inputValue}\nEncrypted Value:\n{encVal}";
}
if (optionString == "DECRYPT")
{
plainVal = _crypto.Unprotect(inputName, inputValue, _encValPrefix);
message = $"\nOperation Success.\nSettingName: '{inputName}'\nEncrypted Value:'\n{inputValue}'\nDecrypted Value: '{plainVal}'";
}
}
catch (Exception e)
{
message = e.Message;
}
Console.WriteLine(message);
}
else
{
throw new Exception("Cryptography services not initialized. Check configuration section 'ConfigOptions:Cryptography'");
}
goto Start;
}
}
