Files
gluetun/internal/configuration/provider.go
2021-07-23 02:34:15 +00:00

130 lines
3.5 KiB
Go

package configuration
import (
"fmt"
"net"
"strings"
"github.com/qdm12/gluetun/internal/constants"
"github.com/qdm12/golibs/params"
)
// Provider contains settings specific to a VPN provider.
type Provider struct {
Name string `json:"name"`
ServerSelection ServerSelection `json:"server_selection"`
ExtraConfigOptions ExtraConfigOptions `json:"extra_config"`
PortForwarding PortForwarding `json:"port_forwarding"`
}
func (settings *Provider) lines() (lines []string) {
lines = append(lines, lastIndent+strings.Title(settings.Name)+" settings:")
selection := settings.ServerSelection
lines = append(lines, indent+lastIndent+"Network protocol: "+protoToString(selection.TCP))
if selection.TargetIP != nil {
lines = append(lines, indent+lastIndent+"Target IP address: "+selection.TargetIP.String())
}
var providerLines []string
switch strings.ToLower(settings.Name) {
case "cyberghost":
providerLines = settings.cyberghostLines()
case "fastestvpn":
providerLines = settings.fastestvpnLines()
case "hidemyass":
providerLines = settings.hideMyAssLines()
case "ipvanish":
providerLines = settings.ipvanishLines()
case "ivpn":
providerLines = settings.ivpnLines()
case "mullvad":
providerLines = settings.mullvadLines()
case "nordvpn":
providerLines = settings.nordvpnLines()
case "privado":
providerLines = settings.privadoLines()
case "privatevpn":
providerLines = settings.privatevpnLines()
case "private internet access":
providerLines = settings.privateinternetaccessLines()
case "protonvpn":
providerLines = settings.protonvpnLines()
case "purevpn":
providerLines = settings.purevpnLines()
case "surfshark":
providerLines = settings.surfsharkLines()
case "torguard":
providerLines = settings.torguardLines()
case strings.ToLower(constants.VPNUnlimited):
providerLines = settings.vpnUnlimitedLines()
case "vyprvpn":
providerLines = settings.vyprvpnLines()
case "windscribe":
providerLines = settings.windscribeLines()
default:
panic(`Missing lines method for provider "` +
settings.Name + `"! Please create a Github issue.`)
}
for _, line := range providerLines {
lines = append(lines, indent+line)
}
return lines
}
func commaJoin(slice []string) string {
return strings.Join(slice, ", ")
}
func readProtocol(env params.Env) (tcp bool, err error) {
protocol, err := env.Inside("PROTOCOL", []string{constants.TCP, constants.UDP}, params.Default(constants.UDP))
if err != nil {
return false, fmt.Errorf("environment variable PROTOCOL: %w", err)
}
return protocol == constants.TCP, nil
}
func protoToString(tcp bool) string {
if tcp {
return constants.TCP
}
return constants.UDP
}
func readTargetIP(env params.Env) (targetIP net.IP, err error) {
targetIP, err = readIP(env, "OPENVPN_TARGET_IP")
if err != nil {
return nil, fmt.Errorf("environment variable OPENVPN_TARGET_IP: %w", err)
}
return targetIP, nil
}
func readCustomPort(env params.Env, tcp bool,
allowedTCP, allowedUDP []uint16) (port uint16, err error) {
port, err = readPortOrZero(env, "PORT")
if err != nil {
return 0, fmt.Errorf("environment variable PORT: %w", err)
} else if port == 0 {
return 0, nil
}
if tcp {
for i := range allowedTCP {
if allowedTCP[i] == port {
return port, nil
}
}
return 0, fmt.Errorf("environment variable PORT: %w: port %d for TCP protocol", ErrInvalidPort, port)
}
for i := range allowedUDP {
if allowedUDP[i] == port {
return port, nil
}
}
return 0, fmt.Errorf("environment variable PORT: %w: port %d for UDP protocol", ErrInvalidPort, port)
}