Windscribe support (#114)

internal/settings/settings.go

@@ -13,6 +13,7 @@ type Settings struct {
 	OpenVPN     OpenVPN
 	PIA         PIA
 	Mullvad     Mullvad
+	Windscribe  Windscribe
 	DNS         DNS
 	Firewall    Firewall
 	TinyProxy   TinyProxy
@@ -26,6 +27,8 @@ func (s *Settings) String() string {
 		vpnServiceProvider = s.PIA.String()
 	case "mullvad":
 		vpnServiceProvider = s.Mullvad.String()
+	case "windscribe":
+		vpnServiceProvider = s.Windscribe.String()
 	}
 	return strings.Join([]string{
 		"Settings summary below:",
@@ -75,8 +78,23 @@ func GetAllSettings(params params.ParamsReader) (settings Settings, err error) {
 			return settings, fmt.Errorf("auth algorithm %q is not supported by Mullvad (not using auth at all)", settings.OpenVPN.Auth)
 		}
 		settings.Mullvad, err = GetMullvadSettings(params)
+	case "windscribe":
+		switch settings.OpenVPN.Cipher {
+		case "", "aes-256-cbc", "aes-256-gcm": // TODO check inside params getters
+		default:
+			return settings, fmt.Errorf("cipher %q is not supported by Windscribe", settings.OpenVPN.Cipher)
+		}
+		switch settings.OpenVPN.Auth {
+		case "", "sha512":
+		default:
+			return settings, fmt.Errorf("auth algorithm %q is not supported by Windscribe", settings.OpenVPN.Auth)
+		}
+		settings.Windscribe, err = GetWindscribeSettings(params, settings.OpenVPN.NetworkProtocol)
 	default:
-		return settings, fmt.Errorf("VPN service provider %q is not valid", settings.VPNSP)
+		err = fmt.Errorf("VPN service provider %q is not valid", settings.VPNSP)
+	}
+	if err != nil {
+		return settings, err
 	}
 	if err != nil {
 		return settings, err

internal/settings/windscribe.go

@@ -0,0 +1,49 @@
+package settings
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/qdm12/private-internet-access-docker/internal/models"
+	"github.com/qdm12/private-internet-access-docker/internal/params"
+)
+
+// Windscribe contains the settings to connect to a Windscribe server
+type Windscribe struct {
+	User     string
+	Password string
+	Region   models.WindscribeRegion
+	Port     uint16
+}
+
+func (w *Windscribe) String() string {
+	settingsList := []string{
+		"Windscribe settings:",
+		"User: [redacted]",
+		"Password: [redacted]",
+		"Region: " + string(w.Region),
+		"Custom port: " + fmt.Sprintf("%d", w.Port),
+	}
+	return strings.Join(settingsList, "\n |--")
+}
+
+// GetWindscribeSettings obtains Windscribe settings from environment variables using the params package.
+func GetWindscribeSettings(params params.ParamsReader, protocol models.NetworkProtocol) (settings Windscribe, err error) {
+	settings.User, err = params.GetUser()
+	if err != nil {
+		return settings, err
+	}
+	settings.Password, err = params.GetPassword()
+	if err != nil {
+		return settings, err
+	}
+	settings.Region, err = params.GetWindscribeRegion()
+	if err != nil {
+		return settings, err
+	}
+	settings.Port, err = params.GetWindscribePort(protocol)
+	if err != nil {
+		return settings, err
+	}
+	return settings, nil
+}