Files
gluetun/internal/configuration/settings/vpn.go
2022-02-20 02:58:16 +00:00

99 lines
2.4 KiB
Go

package settings
import (
"fmt"
"strings"
"github.com/qdm12/gluetun/internal/configuration/settings/helpers"
"github.com/qdm12/gluetun/internal/constants"
"github.com/qdm12/gluetun/internal/models"
"github.com/qdm12/gotree"
)
type VPN struct {
// Type is the VPN type and can only be
// 'openvpn' or 'wireguard'. It cannot be the
// empty string in the internal state.
Type string
Provider Provider
OpenVPN OpenVPN
Wireguard Wireguard
}
// TODO v4 remove pointer for receiver (because of Surfshark).
func (v *VPN) validate(allServers models.AllServers) (err error) {
// Validate Type
validVPNTypes := []string{constants.OpenVPN, constants.Wireguard}
if !helpers.IsOneOf(v.Type, validVPNTypes...) {
return fmt.Errorf("%w: %q and can only be one of %s",
ErrVPNTypeNotValid, v.Type, strings.Join(validVPNTypes, ", "))
}
err = v.Provider.validate(v.Type, allServers)
if err != nil {
return fmt.Errorf("provider settings: %w", err)
}
if v.Type == constants.OpenVPN {
err := v.OpenVPN.validate(*v.Provider.Name)
if err != nil {
return fmt.Errorf("OpenVPN settings: %w", err)
}
} else {
err := v.Wireguard.validate(*v.Provider.Name)
if err != nil {
return fmt.Errorf("Wireguard settings: %w", err)
}
}
return nil
}
func (v *VPN) copy() (copied VPN) {
return VPN{
Type: v.Type,
Provider: v.Provider.copy(),
OpenVPN: v.OpenVPN.copy(),
Wireguard: v.Wireguard.copy(),
}
}
func (v *VPN) mergeWith(other VPN) {
v.Type = helpers.MergeWithString(v.Type, other.Type)
v.Provider.mergeWith(other.Provider)
v.OpenVPN.mergeWith(other.OpenVPN)
v.Wireguard.mergeWith(other.Wireguard)
}
func (v *VPN) overrideWith(other VPN) {
v.Type = helpers.OverrideWithString(v.Type, other.Type)
v.Provider.overrideWith(other.Provider)
v.OpenVPN.overrideWith(other.OpenVPN)
v.Wireguard.overrideWith(other.Wireguard)
}
func (v *VPN) setDefaults() {
v.Type = helpers.DefaultString(v.Type, constants.OpenVPN)
v.Provider.setDefaults()
v.OpenVPN.setDefaults(*v.Provider.Name)
v.Wireguard.setDefaults()
}
func (v VPN) String() string {
return v.toLinesNode().String()
}
func (v VPN) toLinesNode() (node *gotree.Node) {
node = gotree.New("VPN settings:")
node.AppendNode(v.Provider.toLinesNode())
if v.Type == constants.OpenVPN {
node.AppendNode(v.OpenVPN.toLinesNode())
} else {
node.AppendNode(v.Wireguard.toLinesNode())
}
return node
}