Files
gluetun/internal/cli/formatservers.go
2021-09-23 10:19:30 -07:00

131 lines
4.6 KiB
Go

package cli
import (
"errors"
"flag"
"fmt"
"os"
"path/filepath"
"github.com/qdm12/gluetun/internal/constants"
"github.com/qdm12/gluetun/internal/storage"
)
type ServersFormatter interface {
FormatServers(args []string) error
}
var (
ErrFormatNotRecognized = errors.New("format is not recognized")
ErrProviderUnspecified = errors.New("VPN provider to format was not specified")
ErrOpenOutputFile = errors.New("cannot open output file")
ErrWriteOutput = errors.New("cannot write to output file")
ErrCloseOutputFile = errors.New("cannot close output file")
)
func (c *CLI) FormatServers(args []string) error {
var format, output string
var cyberghost, expressvpn, fastestvpn, hideMyAss, ipvanish, ivpn, mullvad,
nordvpn, pia, privado, privatevpn, protonvpn, purevpn, surfshark,
torguard, vpnUnlimited, vyprvpn, wevpn, windscribe bool
flagSet := flag.NewFlagSet("markdown", flag.ExitOnError)
flagSet.StringVar(&format, "format", "markdown", "Format to use which can be: 'markdown'")
flagSet.StringVar(&output, "output", "/dev/stdout", "Output file to write the formatted data to")
flagSet.BoolVar(&cyberghost, "cyberghost", false, "Format Cyberghost servers")
flagSet.BoolVar(&expressvpn, "expressvpn", false, "Format ExpressVPN servers")
flagSet.BoolVar(&fastestvpn, "fastestvpn", false, "Format FastestVPN servers")
flagSet.BoolVar(&hideMyAss, "hidemyass", false, "Format HideMyAss servers")
flagSet.BoolVar(&ipvanish, "ipvanish", false, "Format IpVanish servers")
flagSet.BoolVar(&ivpn, "ivpn", false, "Format IVPN servers")
flagSet.BoolVar(&mullvad, "mullvad", false, "Format Mullvad servers")
flagSet.BoolVar(&nordvpn, "nordvpn", false, "Format Nordvpn servers")
flagSet.BoolVar(&pia, "pia", false, "Format Private Internet Access servers")
flagSet.BoolVar(&privado, "privado", false, "Format Privado servers")
flagSet.BoolVar(&privatevpn, "privatevpn", false, "Format Private VPN servers")
flagSet.BoolVar(&protonvpn, "protonvpn", false, "Format Protonvpn servers")
flagSet.BoolVar(&purevpn, "purevpn", false, "Format Purevpn servers")
flagSet.BoolVar(&surfshark, "surfshark", false, "Format Surfshark servers")
flagSet.BoolVar(&torguard, "torguard", false, "Format Torguard servers")
flagSet.BoolVar(&vpnUnlimited, "vpnunlimited", false, "Format VPN Unlimited servers")
flagSet.BoolVar(&vyprvpn, "vyprvpn", false, "Format Vyprvpn servers")
flagSet.BoolVar(&wevpn, "wevpn", false, "Format WeVPN servers")
flagSet.BoolVar(&windscribe, "windscribe", false, "Format Windscribe servers")
if err := flagSet.Parse(args); err != nil {
return err
}
if format != "markdown" {
return fmt.Errorf("%w: %s", ErrFormatNotRecognized, format)
}
logger := newNoopLogger()
storage, err := storage.New(logger, constants.ServersData)
if err != nil {
return fmt.Errorf("%w: %s", ErrNewStorage, err)
}
currentServers := storage.GetServers()
var formatted string
switch {
case cyberghost:
formatted = currentServers.Cyberghost.ToMarkdown()
case expressvpn:
formatted = currentServers.Expressvpn.ToMarkdown()
case fastestvpn:
formatted = currentServers.Fastestvpn.ToMarkdown()
case hideMyAss:
formatted = currentServers.HideMyAss.ToMarkdown()
case ipvanish:
formatted = currentServers.Ipvanish.ToMarkdown()
case ivpn:
formatted = currentServers.Ivpn.ToMarkdown()
case mullvad:
formatted = currentServers.Mullvad.ToMarkdown()
case nordvpn:
formatted = currentServers.Nordvpn.ToMarkdown()
case pia:
formatted = currentServers.Pia.ToMarkdown()
case privado:
formatted = currentServers.Privado.ToMarkdown()
case privatevpn:
formatted = currentServers.Privatevpn.ToMarkdown()
case protonvpn:
formatted = currentServers.Protonvpn.ToMarkdown()
case purevpn:
formatted = currentServers.Purevpn.ToMarkdown()
case surfshark:
formatted = currentServers.Surfshark.ToMarkdown()
case torguard:
formatted = currentServers.Torguard.ToMarkdown()
case vpnUnlimited:
formatted = currentServers.VPNUnlimited.ToMarkdown()
case vyprvpn:
formatted = currentServers.Vyprvpn.ToMarkdown()
case wevpn:
formatted = currentServers.Wevpn.ToMarkdown()
case windscribe:
formatted = currentServers.Windscribe.ToMarkdown()
default:
return ErrProviderUnspecified
}
output = filepath.Clean(output)
file, err := os.OpenFile(output, os.O_TRUNC|os.O_WRONLY|os.O_CREATE, 0644)
if err != nil {
return fmt.Errorf("%w: %s", ErrOpenOutputFile, err)
}
_, err = fmt.Fprint(file, formatted)
if err != nil {
_ = file.Close()
return fmt.Errorf("%w: %s", ErrWriteOutput, err)
}
err = file.Close()
if err != nil {
return fmt.Errorf("%w: %s", ErrCloseOutputFile, err)
}
return nil
}