private string LoadPasswordFromKeyChain(string username)
{
try
{
if (!string.IsNullOrEmpty(username))
{
var password = KeyChain.GetCredentialFromFromKeychain(username);
if (!string.IsNullOrEmpty(password))
{
return(CryptoUtil.EncryptString(password));
}
}
}
catch (CryptographicException ex)
{
Logging.Info(string.Format("Error loading password from KeyChain: {0}", ex));
}
return("");
}
public bool GetOldStyleCredentials(
out string AccountID,
out string Session,
out string OvpnUser,
out string OvpnPass,
out string WgPublicKey,
out string WgPrivateKey,
out string WgLocalIP,
out Int64 WgKeyGenerated)
{
AccountID = "";
Session = "";
OvpnUser = "";
OvpnPass = "";
WgPublicKey = "";
WgPrivateKey = "";
WgLocalIP = "";
WgKeyGenerated = 0;
// READ OLD-STYLE CREDENTIALS (compatibility with older client versions)
// USERNAME
AccountID = NSUserDefaults.StandardUserDefaults.StringForKey("Username");
if (string.IsNullOrEmpty(AccountID))
{
return(false); // unknown user - do not load the rest
}
// SESSION
Session = NSUserDefaults.StandardUserDefaults.StringForKey("SessionToken");
OvpnUser = NSUserDefaults.StandardUserDefaults.StringForKey("VpnUser");
OvpnPass = CryptoUtil.DecryptString(KeyChain.GetSecuredValueFromKeychain(AccountID, "VpnSafePass"));
// WIREGUARD
WgPublicKey = NSUserDefaults.StandardUserDefaults.StringForKey("WireGuardClientPublicKey");
WgLocalIP = NSUserDefaults.StandardUserDefaults.StringForKey("WireGuardClientInternalIp");
WgPrivateKey = CryptoUtil.DecryptString(KeyChain.GetSecuredValueFromKeychain(AccountID, "WireGuardClientPrivateKeySafe"));
string keysTimestampString = KeyChain.GetSecuredValueFromKeychain(AccountID, "WireGuardKeysTimestamp");
if (string.IsNullOrEmpty(keysTimestampString) || !DateTime.TryParse(keysTimestampString, out DateTime keysTimestamp))
{
keysTimestamp = default;
}
WgKeyGenerated = IVPN_Helpers.DataConverters.DateTimeConverter.ToUnixTime(keysTimestamp);
// REMOVE ALL OLD-STYLE CREDENTIALS
bool isHasUsername = !string.IsNullOrEmpty(AccountID);
// Remove user password
if (isHasUsername)
{
KeyChain.RemoveCredentialFromKeychain(AccountID);
}
// Remove wireguard info
NSUserDefaults.StandardUserDefaults.RemoveObject("WireGuardClientPublicKey");
NSUserDefaults.StandardUserDefaults.RemoveObject("WireGuardClientInternalIp");
if (isHasUsername)
{
KeyChain.RemoveSecuredValueFromKeychain(AccountID, "WireGuardClientPrivateKeySafe");
KeyChain.RemoveSecuredValueFromKeychain(AccountID, "WireGuardKeysTimestamp");
}
// Remove session info
NSUserDefaults.StandardUserDefaults.RemoveObject("SessionToken");
NSUserDefaults.StandardUserDefaults.RemoveObject("VpnUser");
if (isHasUsername)
{
KeyChain.RemoveSecuredValueFromKeychain(AccountID, "VpnSafePass");
}
NSUserDefaults.StandardUserDefaults.RemoveObject("Username");
if (string.IsNullOrEmpty(Session))
{
return(false);
}
return(true);
}