93 lines
3.1 KiB
Go
93 lines
3.1 KiB
Go
package service
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import (
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"errors"
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"fmt"
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"github.com/qdm12/gluetun/internal/constants/providers"
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"github.com/qdm12/gosettings"
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)
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type Settings struct {
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Enabled *bool
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PortForwarder PortForwarder
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Filepath string
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UpCommand string
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DownCommand string
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Interface string // needed for PIA, PrivateVPN and ProtonVPN, tun0 for example
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ServerName string // needed for PIA
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CanPortForward bool // needed for PIA
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ListeningPort uint16
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Username string // needed for PIA
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Password string // needed for PIA
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}
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func (s Settings) Copy() (copied Settings) {
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copied.Enabled = gosettings.CopyPointer(s.Enabled)
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copied.PortForwarder = s.PortForwarder
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copied.Filepath = s.Filepath
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copied.UpCommand = s.UpCommand
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copied.DownCommand = s.DownCommand
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copied.Interface = s.Interface
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copied.ServerName = s.ServerName
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copied.CanPortForward = s.CanPortForward
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copied.ListeningPort = s.ListeningPort
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copied.Username = s.Username
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copied.Password = s.Password
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return copied
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}
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func (s *Settings) OverrideWith(update Settings) {
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s.Enabled = gosettings.OverrideWithPointer(s.Enabled, update.Enabled)
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s.PortForwarder = gosettings.OverrideWithComparable(s.PortForwarder, update.PortForwarder)
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s.Filepath = gosettings.OverrideWithComparable(s.Filepath, update.Filepath)
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s.UpCommand = gosettings.OverrideWithComparable(s.UpCommand, update.UpCommand)
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s.DownCommand = gosettings.OverrideWithComparable(s.DownCommand, update.DownCommand)
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s.Interface = gosettings.OverrideWithComparable(s.Interface, update.Interface)
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s.ServerName = gosettings.OverrideWithComparable(s.ServerName, update.ServerName)
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s.CanPortForward = gosettings.OverrideWithComparable(s.CanPortForward, update.CanPortForward)
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s.ListeningPort = gosettings.OverrideWithComparable(s.ListeningPort, update.ListeningPort)
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s.Username = gosettings.OverrideWithComparable(s.Username, update.Username)
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s.Password = gosettings.OverrideWithComparable(s.Password, update.Password)
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}
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var (
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ErrPortForwarderNotSet = errors.New("port forwarder not set")
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ErrServerNameNotSet = errors.New("server name not set")
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ErrUsernameNotSet = errors.New("username not set")
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ErrPasswordNotSet = errors.New("password not set")
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ErrFilepathNotSet = errors.New("file path not set")
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ErrInterfaceNotSet = errors.New("interface not set")
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)
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func (s *Settings) Validate(forStartup bool) (err error) {
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// Minimal validation
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if s.Filepath == "" {
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return fmt.Errorf("%w", ErrFilepathNotSet)
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}
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if !forStartup {
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// No additional validation needed if the service
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// is not to be started with the given settings.
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return nil
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}
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// Startup validation requires additional fields set.
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switch {
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case s.PortForwarder == nil:
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return fmt.Errorf("%w", ErrPortForwarderNotSet)
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case s.Interface == "":
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return fmt.Errorf("%w", ErrInterfaceNotSet)
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case s.PortForwarder.Name() == providers.PrivateInternetAccess:
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switch {
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case s.ServerName == "":
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return fmt.Errorf("%w", ErrServerNameNotSet)
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case s.Username == "":
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return fmt.Errorf("%w", ErrUsernameNotSet)
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case s.Password == "":
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return fmt.Errorf("%w", ErrPasswordNotSet)
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}
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}
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return nil
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}
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