private void ResetCredentials(string username)
{
bool isHasUsername = !string.IsNullOrEmpty(username);
// Remove user password
if (isHasUsername)
{
KeyChain.RemoveCredentialFromKeychain(username);
}
// Remove wireguard info
NSUserDefaults.StandardUserDefaults.RemoveObject(nameof(AppSettings.WireGuardClientPublicKey));
NSUserDefaults.StandardUserDefaults.RemoveObject(nameof(AppSettings.WireGuardClientInternalIp));
if (isHasUsername)
{
KeyChain.RemoveSecuredValueFromKeychain(username, nameof(AppSettings.WireGuardClientPrivateKeySafe));
KeyChain.RemoveSecuredValueFromKeychain(username, nameof(AppSettings.WireGuardKeysTimestamp));
}
// Remove session info
NSUserDefaults.StandardUserDefaults.RemoveObject(nameof(AppSettings.SessionToken));
NSUserDefaults.StandardUserDefaults.RemoveObject(nameof(AppSettings.VpnUser));
if (isHasUsername)
{
KeyChain.RemoveSecuredValueFromKeychain(username, nameof(AppSettings.VpnSafePass));
}
}
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);
}